79990352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 175770000

約数和(自身を除く): 95779648

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 89, 104, 116, 149, 178, 208, 232, 298, 356, 377, 464, 596, 712, 754, 1157, 1192, 1424, 1508, 1937, 2314, 2384, 2581, 3016, 3874, 4321, 4628, 5162, 6032, 7748, 8642, 9256, 10324, 13261, 15496, 17284, 18512, 20648, 26522, 30992, 33553, 34568, 41296, 53044, 56173, 67106, 69136, 106088, 112346, 134212, 172393, 212176, 224692, 268424, 344786, 384569, 449384, 536848, 689572, 769138, 898768, 1379144, 1538276, 2758288, 3076552, 4999397, 6153104, 9998794, 19997588, 39995176, 79990352]

約数ペア:

[(1, 79990352), (2, 39995176), (4, 19997588), (8, 9998794), (13, 6153104), (16, 4999397), (26, 3076552), (29, 2758288), (52, 1538276), (58, 1379144), (89, 898768), (104, 769138), (116, 689572), (149, 536848), (178, 449384), (208, 384569), (232, 344786), (298, 268424), (356, 224692), (377, 212176), (464, 172393), (596, 134212), (712, 112346), (754, 106088), (1157, 69136), (1192, 67106), (1424, 56173), (1508, 53044), (1937, 41296), (2314, 34568), (2384, 33553), (2581, 30992), (3016, 26522), (3874, 20648), (4321, 18512), (4628, 17284), (5162, 15496), (6032, 13261), (7748, 10324), (8642, 9256)]