51149072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245909}}^1$

素因数の和:245930

約数の個数: 20

約数和(自身を含む): 106724940

約数和(自身を除く): 55575868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245909, 491818, 983636, 1967272, 3196817, 3934544, 6393634, 12787268, 25574536, 51149072]

約数ペア:

[(1, 51149072), (2, 25574536), (4, 12787268), (8, 6393634), (13, 3934544), (16, 3196817), (26, 1967272), (52, 983636), (104, 491818), (208, 245909)]