308707984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{18787}}^1$

素因数の和:18887

約数の個数: 40

約数和(自身を含む): 652319360

約数和(自身を除く): 343611376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 18787, 37574, 75148, 150296, 244231, 300592, 488462, 976924, 1484173, 1953848, 2968346, 3907696, 5936692, 11873384, 19294249, 23746768, 38588498, 77176996, 154353992, 308707984]

約数ペア:

[(1, 308707984), (2, 154353992), (4, 77176996), (8, 38588498), (13, 23746768), (16, 19294249), (26, 11873384), (52, 5936692), (79, 3907696), (104, 2968346), (158, 1953848), (208, 1484173), (316, 976924), (632, 488462), (1027, 300592), (1264, 244231), (2054, 150296), (4108, 75148), (8216, 37574), (16432, 18787)]