12993992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 13790008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 991, 1192, 1639, 1982, 3278, 3964, 6556, 7928, 10901, 13112, 21802, 43604, 87208, 147659, 295318, 590636, 1181272, 1624249, 3248498, 6496996, 12993992]

約数ペア:

[(1, 12993992), (2, 6496996), (4, 3248498), (8, 1624249), (11, 1181272), (22, 590636), (44, 295318), (88, 147659), (149, 87208), (298, 43604), (596, 21802), (991, 13112), (1192, 10901), (1639, 7928), (1982, 6556), (3278, 3964)]