25571416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12979

約数の個数: 32

約数和(自身を含む): 54356400

約数和(自身を除く): 28784984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12941, 25882, 51764, 103528, 168233, 245879, 336466, 491758, 672932, 983516, 1345864, 1967032, 3196427, 6392854, 12785708, 25571416]

約数ペア:

[(1, 25571416), (2, 12785708), (4, 6392854), (8, 3196427), (13, 1967032), (19, 1345864), (26, 983516), (38, 672932), (52, 491758), (76, 336466), (104, 245879), (152, 168233), (247, 103528), (494, 51764), (988, 25882), (1976, 12941)]