81717116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 160462848

約数和(自身を除く): 78745732

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 163, 311, 326, 403, 622, 652, 806, 1244, 1612, 2119, 4043, 4238, 5053, 8086, 8476, 9641, 10106, 16172, 19282, 20212, 38564, 50693, 65689, 101386, 125333, 131378, 202772, 250666, 262756, 501332, 659009, 1318018, 1571483, 2636036, 3142966, 6285932, 20429279, 40858558, 81717116]

約数ペア:

[(1, 81717116), (2, 40858558), (4, 20429279), (13, 6285932), (26, 3142966), (31, 2636036), (52, 1571483), (62, 1318018), (124, 659009), (163, 501332), (311, 262756), (326, 250666), (403, 202772), (622, 131378), (652, 125333), (806, 101386), (1244, 65689), (1612, 50693), (2119, 38564), (4043, 20212), (4238, 19282), (5053, 16172), (8086, 10106), (8476, 9641)]