81505004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2063}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 174763008

約数和(自身を除く): 93258004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 83, 119, 166, 238, 332, 476, 581, 1162, 1411, 2063, 2324, 2822, 4126, 5644, 8252, 9877, 14441, 19754, 28882, 35071, 39508, 57764, 70142, 140284, 171229, 245497, 342458, 490994, 684916, 981988, 1198603, 2397206, 2910893, 4794412, 5821786, 11643572, 20376251, 40752502, 81505004]

約数ペア:

[(1, 81505004), (2, 40752502), (4, 20376251), (7, 11643572), (14, 5821786), (17, 4794412), (28, 2910893), (34, 2397206), (68, 1198603), (83, 981988), (119, 684916), (166, 490994), (238, 342458), (332, 245497), (476, 171229), (581, 140284), (1162, 70142), (1411, 57764), (2063, 39508), (2324, 35071), (2822, 28882), (4126, 19754), (5644, 14441), (8252, 9877)]