262593968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 669519648

約数和(自身を除く): 406925680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 103, 104, 112, 119, 136, 182, 206, 208, 221, 238, 272, 364, 412, 442, 476, 721, 728, 824, 884, 952, 1339, 1442, 1456, 1547, 1648, 1751, 1768, 1904, 2678, 2884, 3094, 3502, 3536, 5356, 5768, 6188, 7004, 9373, 10609, 10712, 11536, 12257, 12376, 14008, 18746, 21218, 21424, 22763, 24514, 24752, 28016, 37492, 42436, 45526, 49028, 74263, 74984, 84872, 91052, 98056, 137917, 148526, 149968, 159341, 169744, 180353, 182104, 196112, 275834, 297052, 318682, 360706, 364208, 551668, 594104, 637364, 721412, 965419, 1103336, 1188208, 1262471, 1274728, 1442824, 1930838, 2206672, 2344589, 2524942, 2549456, 2885648, 3861676, 4689178, 5049884, 7723352, 9378356, 10099768, 15446704, 16412123, 18756712, 20199536, 32824246, 37513424, 65648492, 131296984, 262593968]

約数ペア:

[(1, 262593968), (2, 131296984), (4, 65648492), (7, 37513424), (8, 32824246), (13, 20199536), (14, 18756712), (16, 16412123), (17, 15446704), (26, 10099768), (28, 9378356), (34, 7723352), (52, 5049884), (56, 4689178), (68, 3861676), (91, 2885648), (103, 2549456), (104, 2524942), (112, 2344589), (119, 2206672), (136, 1930838), (182, 1442824), (206, 1274728), (208, 1262471), (221, 1188208), (238, 1103336), (272, 965419), (364, 721412), (412, 637364), (442, 594104), (476, 551668), (721, 364208), (728, 360706), (824, 318682), (884, 297052), (952, 275834), (1339, 196112), (1442, 182104), (1456, 180353), (1547, 169744), (1648, 159341), (1751, 149968), (1768, 148526), (1904, 137917), (2678, 98056), (2884, 91052), (3094, 84872), (3502, 74984), (3536, 74263), (5356, 49028), (5768, 45526), (6188, 42436), (7004, 37492), (9373, 28016), (10609, 24752), (10712, 24514), (11536, 22763), (12257, 21424), (12376, 21218), (14008, 18746)]