1279742482

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 1978058880

約数和(自身を除く): 698316398

約数列:

[1, 2, 71, 137, 142, 157, 274, 314, 419, 838, 9727, 11147, 19454, 21509, 22294, 29749, 43018, 57403, 59498, 65783, 114806, 131566, 1527139, 3054278, 4075613, 4670593, 8151226, 9012271, 9341186, 18024542, 639871241, 1279742482]

約数ペア:

[(1, 1279742482), (2, 639871241), (71, 18024542), (137, 9341186), (142, 9012271), (157, 8151226), (274, 4670593), (314, 4075613), (419, 3054278), (838, 1527139), (9727, 131566), (11147, 114806), (19454, 65783), (21509, 59498), (22294, 57403), (29749, 43018)]