521193608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{12253}}^1$

素因数の和:12681

約数の個数: 32

約数和(自身を含む): 1055069400

約数和(自身を除く): 533875792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 10634, 12253, 21268, 24506, 42536, 49012, 98024, 159289, 318578, 637156, 1274312, 5011477, 10022954, 20045908, 40091816, 65149201, 130298402, 260596804, 521193608]

約数ペア:

[(1, 521193608), (2, 260596804), (4, 130298402), (8, 65149201), (13, 40091816), (26, 20045908), (52, 10022954), (104, 5011477), (409, 1274312), (818, 637156), (1636, 318578), (3272, 159289), (5317, 98024), (10634, 49012), (12253, 42536), (21268, 24506)]