31209008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 64482480

約数和(自身を除く): 33273472

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 641, 716, 1282, 1432, 2564, 2864, 3043, 5128, 6086, 10256, 10897, 12172, 21794, 24344, 43588, 48688, 87176, 114739, 174352, 229478, 458956, 917912, 1835824, 1950563, 3901126, 7802252, 15604504, 31209008]

約数ペア:

[(1, 31209008), (2, 15604504), (4, 7802252), (8, 3901126), (16, 1950563), (17, 1835824), (34, 917912), (68, 458956), (136, 229478), (179, 174352), (272, 114739), (358, 87176), (641, 48688), (716, 43588), (1282, 24344), (1432, 21794), (2564, 12172), (2864, 10897), (3043, 10256), (5128, 6086)]