2017489825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3671}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 2868566400

約数和(自身を除く): 851076575

約数列:

[1, 5, 13, 19, 25, 65, 89, 95, 247, 325, 445, 475, 1157, 1235, 1691, 2225, 3671, 5785, 6175, 8455, 18355, 21983, 28925, 42275, 47723, 69749, 91775, 109915, 238615, 326719, 348745, 549575, 906737, 1193075, 1633595, 1743725, 4247347, 4533685, 6207661, 8167975, 21236735, 22668425, 31038305, 80699593, 106183675, 155191525, 403497965, 2017489825]

約数ペア:

[(1, 2017489825), (5, 403497965), (13, 155191525), (19, 106183675), (25, 80699593), (65, 31038305), (89, 22668425), (95, 21236735), (247, 8167975), (325, 6207661), (445, 4533685), (475, 4247347), (1157, 1743725), (1235, 1633595), (1691, 1193075), (2225, 906737), (3671, 549575), (5785, 348745), (6175, 326719), (8455, 238615), (18355, 109915), (21983, 91775), (28925, 69749), (42275, 47723)]