253392568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{221497}}^1$

素因数の和:221527

約数の個数: 32

約数和(自身を含む): 558174960

約数和(自身を除く): 304782392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 221497, 442994, 885988, 1771976, 2436467, 2879461, 4872934, 5758922, 9745868, 11517844, 19491736, 23035688, 31674071, 63348142, 126696284, 253392568]

約数ペア:

[(1, 253392568), (2, 126696284), (4, 63348142), (8, 31674071), (11, 23035688), (13, 19491736), (22, 11517844), (26, 9745868), (44, 5758922), (52, 4872934), (88, 2879461), (104, 2436467), (143, 1771976), (286, 885988), (572, 442994), (1144, 221497)]