199932512

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1663}}^1$

素因数の和:1720

約数の個数: 72

約数和(自身を含む): 450567936

約数和(自身を除く): 250635424

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 884, 1156, 1663, 1768, 2312, 3326, 3536, 3757, 4624, 6652, 7072, 7514, 9248, 13304, 15028, 21619, 26608, 28271, 30056, 43238, 53216, 56542, 60112, 86476, 113084, 120224, 172952, 226168, 345904, 367523, 452336, 480607, 691808, 735046, 904672, 961214, 1470092, 1922428, 2940184, 3844856, 5880368, 6247891, 7689712, 11760736, 12495782, 15379424, 24991564, 49983128, 99966256, 199932512]

約数ペア:

[(1, 199932512), (2, 99966256), (4, 49983128), (8, 24991564), (13, 15379424), (16, 12495782), (17, 11760736), (26, 7689712), (32, 6247891), (34, 5880368), (52, 3844856), (68, 2940184), (104, 1922428), (136, 1470092), (208, 961214), (221, 904672), (272, 735046), (289, 691808), (416, 480607), (442, 452336), (544, 367523), (578, 345904), (884, 226168), (1156, 172952), (1663, 120224), (1768, 113084), (2312, 86476), (3326, 60112), (3536, 56542), (3757, 53216), (4624, 43238), (6652, 30056), (7072, 28271), (7514, 26608), (9248, 21619), (13304, 15028)]