140447918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 235425792

約数和(自身を除く): 94977874

約数列:

[1, 2, 13, 26, 31, 62, 271, 403, 542, 643, 806, 1286, 3523, 7046, 8359, 8401, 16718, 16802, 19933, 39866, 109213, 174253, 218426, 259129, 348506, 518258, 2265289, 4530578, 5401843, 10803686, 70223959, 140447918]

約数ペア:

[(1, 140447918), (2, 70223959), (13, 10803686), (26, 5401843), (31, 4530578), (62, 2265289), (271, 518258), (403, 348506), (542, 259129), (643, 218426), (806, 174253), (1286, 109213), (3523, 39866), (7046, 19933), (8359, 16802), (8401, 16718)]