25987984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 55353600

約数和(自身を除く): 29365616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 991, 1192, 1639, 1982, 2384, 3278, 3964, 6556, 7928, 10901, 13112, 15856, 21802, 26224, 43604, 87208, 147659, 174416, 295318, 590636, 1181272, 1624249, 2362544, 3248498, 6496996, 12993992, 25987984]

約数ペア:

[(1, 25987984), (2, 12993992), (4, 6496996), (8, 3248498), (11, 2362544), (16, 1624249), (22, 1181272), (44, 590636), (88, 295318), (149, 174416), (176, 147659), (298, 87208), (596, 43604), (991, 26224), (1192, 21802), (1639, 15856), (1982, 13112), (2384, 10901), (3278, 7928), (3964, 6556)]