31085210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 60504192

約数和(自身を除く): 29418982

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 491, 974, 982, 2435, 2455, 4870, 4910, 6331, 6383, 12662, 12766, 31655, 31915, 63310, 63830, 239117, 478234, 1195585, 2391170, 3108521, 6217042, 15542605, 31085210]

約数ペア:

[(1, 31085210), (2, 15542605), (5, 6217042), (10, 3108521), (13, 2391170), (26, 1195585), (65, 478234), (130, 239117), (487, 63830), (491, 63310), (974, 31915), (982, 31655), (2435, 12766), (2455, 12662), (4870, 6383), (4910, 6331)]