251149072

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{28181}}^1$

素因数の和:28746

約数の個数: 20

約数和(自身を含む): 487492236

約数和(自身を除く): 236343164

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 28181, 56362, 112724, 225448, 450896, 15696817, 31393634, 62787268, 125574536, 251149072]

約数ペア:

[(1, 251149072), (2, 125574536), (4, 62787268), (8, 31393634), (16, 15696817), (557, 450896), (1114, 225448), (2228, 112724), (4456, 56362), (8912, 28181)]