221727872

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 511142400

約数和(自身を除く): 289414528

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 173, 248, 272, 304, 323, 346, 496, 527, 544, 589, 608, 646, 692, 992, 1054, 1088, 1178, 1216, 1292, 1384, 1984, 2108, 2176, 2356, 2432, 2584, 2768, 2941, 3287, 3968, 4216, 4712, 5168, 5363, 5536, 5882, 6574, 8432, 9424, 10013, 10336, 10726, 11072, 11764, 13148, 16864, 18848, 20026, 20672, 21452, 22144, 23528, 26296, 33728, 37696, 40052, 41344, 42904, 47056, 52592, 55879, 67456, 75392, 80104, 85808, 91171, 94112, 101897, 105184, 111758, 160208, 171616, 182342, 188224, 203794, 210368, 223516, 320416, 343232, 364684, 376448, 407588, 420736, 447032, 640832, 686464, 729368, 815176, 894064, 1281664, 1458736, 1630352, 1732249, 1788128, 2917472, 3260704, 3464498, 3576256, 5834944, 6521408, 6928996, 7152512, 11669888, 13042816, 13857992, 27715984, 55431968, 110863936, 221727872]

約数ペア:

[(1, 221727872), (2, 110863936), (4, 55431968), (8, 27715984), (16, 13857992), (17, 13042816), (19, 11669888), (31, 7152512), (32, 6928996), (34, 6521408), (38, 5834944), (62, 3576256), (64, 3464498), (68, 3260704), (76, 2917472), (124, 1788128), (128, 1732249), (136, 1630352), (152, 1458736), (173, 1281664), (248, 894064), (272, 815176), (304, 729368), (323, 686464), (346, 640832), (496, 447032), (527, 420736), (544, 407588), (589, 376448), (608, 364684), (646, 343232), (692, 320416), (992, 223516), (1054, 210368), (1088, 203794), (1178, 188224), (1216, 182342), (1292, 171616), (1384, 160208), (1984, 111758), (2108, 105184), (2176, 101897), (2356, 94112), (2432, 91171), (2584, 85808), (2768, 80104), (2941, 75392), (3287, 67456), (3968, 55879), (4216, 52592), (4712, 47056), (5168, 42904), (5363, 41344), (5536, 40052), (5882, 37696), (6574, 33728), (8432, 26296), (9424, 23528), (10013, 22144), (10336, 21452), (10726, 20672), (11072, 20026), (11764, 18848), (13148, 16864)]