657995156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1201

約数の個数: 96

約数和(自身を含む): 1509984000

約数和(自身を除く): 851988844

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 89, 91, 133, 178, 182, 247, 266, 356, 364, 494, 532, 623, 988, 1069, 1157, 1246, 1691, 1729, 2138, 2314, 2492, 3382, 3458, 4276, 4628, 6764, 6916, 7483, 8099, 11837, 13897, 14966, 16198, 20311, 21983, 23674, 27794, 29932, 32396, 40622, 43966, 47348, 55588, 81244, 87932, 95141, 97279, 142177, 153881, 190282, 194558, 264043, 284354, 307762, 380564, 389116, 528086, 568708, 615524, 665987, 1056172, 1236833, 1331974, 1807679, 1848301, 2473666, 2663948, 3615358, 3696602, 4947332, 7230716, 7393204, 8657831, 12653753, 17315662, 23499827, 25307506, 34631324, 46999654, 50615012, 93999308, 164498789, 328997578, 657995156]

約数ペア:

[(1, 657995156), (2, 328997578), (4, 164498789), (7, 93999308), (13, 50615012), (14, 46999654), (19, 34631324), (26, 25307506), (28, 23499827), (38, 17315662), (52, 12653753), (76, 8657831), (89, 7393204), (91, 7230716), (133, 4947332), (178, 3696602), (182, 3615358), (247, 2663948), (266, 2473666), (356, 1848301), (364, 1807679), (494, 1331974), (532, 1236833), (623, 1056172), (988, 665987), (1069, 615524), (1157, 568708), (1246, 528086), (1691, 389116), (1729, 380564), (2138, 307762), (2314, 284354), (2492, 264043), (3382, 194558), (3458, 190282), (4276, 153881), (4628, 142177), (6764, 97279), (6916, 95141), (7483, 87932), (8099, 81244), (11837, 55588), (13897, 47348), (14966, 43966), (16198, 40622), (20311, 32396), (21983, 29932), (23674, 27794)]