71617588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 78372812

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 406, 623, 812, 991, 1246, 1982, 2492, 2581, 3964, 5162, 6937, 10324, 13874, 18067, 27748, 28739, 36134, 57478, 72268, 88199, 114956, 176398, 201173, 352796, 402346, 617393, 804692, 1234786, 2469572, 2557771, 5115542, 10231084, 17904397, 35808794, 71617588]

約数ペア:

[(1, 71617588), (2, 35808794), (4, 17904397), (7, 10231084), (14, 5115542), (28, 2557771), (29, 2469572), (58, 1234786), (89, 804692), (116, 617393), (178, 402346), (203, 352796), (356, 201173), (406, 176398), (623, 114956), (812, 88199), (991, 72268), (1246, 57478), (1982, 36134), (2492, 28739), (2581, 27748), (3964, 18067), (5162, 13874), (6937, 10324)]