257783512

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 602795520

約数和(自身を除く): 345012008

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 101, 119, 136, 196, 202, 238, 383, 392, 404, 476, 707, 766, 808, 833, 952, 1414, 1532, 1666, 1717, 2681, 2828, 3064, 3332, 3434, 4949, 5362, 5656, 6511, 6664, 6868, 9898, 10724, 12019, 13022, 13736, 18767, 19796, 21448, 24038, 26044, 37534, 38683, 39592, 45577, 48076, 52088, 75068, 77366, 84133, 91154, 96152, 150136, 154732, 168266, 182308, 270781, 309464, 319039, 336532, 364616, 541562, 638078, 657611, 673064, 1083124, 1276156, 1315222, 1895467, 2166248, 2552312, 2630444, 3790934, 4603277, 5260888, 7581868, 9206554, 15163736, 18413108, 32222939, 36826216, 64445878, 128891756, 257783512]

約数ペア:

[(1, 257783512), (2, 128891756), (4, 64445878), (7, 36826216), (8, 32222939), (14, 18413108), (17, 15163736), (28, 9206554), (34, 7581868), (49, 5260888), (56, 4603277), (68, 3790934), (98, 2630444), (101, 2552312), (119, 2166248), (136, 1895467), (196, 1315222), (202, 1276156), (238, 1083124), (383, 673064), (392, 657611), (404, 638078), (476, 541562), (707, 364616), (766, 336532), (808, 319039), (833, 309464), (952, 270781), (1414, 182308), (1532, 168266), (1666, 154732), (1717, 150136), (2681, 96152), (2828, 91154), (3064, 84133), (3332, 77366), (3434, 75068), (4949, 52088), (5362, 48076), (5656, 45577), (6511, 39592), (6664, 38683), (6868, 37534), (9898, 26044), (10724, 24038), (12019, 21448), (13022, 19796), (13736, 18767)]