81255148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{29483}}^1$

素因数の和:29553

約数の個数: 24

約数和(自身を含む): 156029328

約数和(自身を除く): 74774180

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 29483, 58966, 117932, 383279, 766558, 1533116, 1562599, 3125198, 6250396, 20313787, 40627574, 81255148]

約数ペア:

[(1, 81255148), (2, 40627574), (4, 20313787), (13, 6250396), (26, 3125198), (52, 1562599), (53, 1533116), (106, 766558), (212, 383279), (689, 117932), (1378, 58966), (2756, 29483)]