168221456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12071}}^1$

素因数の和:12159

約数の個数: 40

約数和(自身を含む): 356268864

約数和(自身を除く): 188047408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 12071, 13936, 24142, 48284, 96568, 156923, 193136, 313846, 627692, 808757, 1255384, 1617514, 2510768, 3235028, 6470056, 10513841, 12940112, 21027682, 42055364, 84110728, 168221456]

約数ペア:

[(1, 168221456), (2, 84110728), (4, 42055364), (8, 21027682), (13, 12940112), (16, 10513841), (26, 6470056), (52, 3235028), (67, 2510768), (104, 1617514), (134, 1255384), (208, 808757), (268, 627692), (536, 313846), (871, 193136), (1072, 156923), (1742, 96568), (3484, 48284), (6968, 24142), (12071, 13936)]