686212912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 160

約数和(自身を含む): 1762458624

約数和(自身を除く): 1076245712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 61, 77, 88, 92, 112, 122, 154, 161, 176, 184, 244, 253, 308, 322, 368, 397, 427, 488, 506, 616, 644, 671, 794, 854, 976, 1012, 1232, 1288, 1342, 1403, 1588, 1708, 1771, 2024, 2576, 2684, 2779, 2806, 3176, 3416, 3542, 4048, 4367, 4697, 5368, 5558, 5612, 6352, 6832, 7084, 8734, 9131, 9394, 9821, 10736, 11116, 11224, 14168, 15433, 17468, 18262, 18788, 19642, 22232, 22448, 24217, 28336, 30569, 30866, 34936, 36524, 37576, 39284, 44464, 48434, 61138, 61732, 63917, 69872, 73048, 75152, 78568, 96868, 100441, 108031, 122276, 123464, 127834, 146096, 157136, 169519, 193736, 200882, 216062, 244552, 246928, 255668, 266387, 339038, 387472, 401764, 432124, 489104, 511336, 532774, 556991, 678076, 703087, 803528, 864248, 1022672, 1065548, 1113982, 1356152, 1406174, 1607056, 1728496, 1864709, 2131096, 2227964, 2712304, 2812348, 3729418, 3898937, 4262192, 4455928, 5624696, 6126901, 7458836, 7797874, 8911856, 11249392, 12253802, 14917672, 15595748, 24507604, 29835344, 31191496, 42888307, 49015208, 62382992, 85776614, 98030416, 171553228, 343106456, 686212912]

約数ペア:

[(1, 686212912), (2, 343106456), (4, 171553228), (7, 98030416), (8, 85776614), (11, 62382992), (14, 49015208), (16, 42888307), (22, 31191496), (23, 29835344), (28, 24507604), (44, 15595748), (46, 14917672), (56, 12253802), (61, 11249392), (77, 8911856), (88, 7797874), (92, 7458836), (112, 6126901), (122, 5624696), (154, 4455928), (161, 4262192), (176, 3898937), (184, 3729418), (244, 2812348), (253, 2712304), (308, 2227964), (322, 2131096), (368, 1864709), (397, 1728496), (427, 1607056), (488, 1406174), (506, 1356152), (616, 1113982), (644, 1065548), (671, 1022672), (794, 864248), (854, 803528), (976, 703087), (1012, 678076), (1232, 556991), (1288, 532774), (1342, 511336), (1403, 489104), (1588, 432124), (1708, 401764), (1771, 387472), (2024, 339038), (2576, 266387), (2684, 255668), (2779, 246928), (2806, 244552), (3176, 216062), (3416, 200882), (3542, 193736), (4048, 169519), (4367, 157136), (4697, 146096), (5368, 127834), (5558, 123464), (5612, 122276), (6352, 108031), (6832, 100441), (7084, 96868), (8734, 78568), (9131, 75152), (9394, 73048), (9821, 69872), (10736, 63917), (11116, 61732), (11224, 61138), (14168, 48434), (15433, 44464), (17468, 39284), (18262, 37576), (18788, 36524), (19642, 34936), (22232, 30866), (22448, 30569), (24217, 28336)]