31212340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91801}}^1$

素因数の和:91827

約数の個数: 24

約数和(自身を含む): 69402312

約数和(自身を除く): 38189972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91801, 183602, 367204, 459005, 918010, 1560617, 1836020, 3121234, 6242468, 7803085, 15606170, 31212340]

約数ペア:

[(1, 31212340), (2, 15606170), (4, 7803085), (5, 6242468), (10, 3121234), (17, 1836020), (20, 1560617), (34, 918010), (68, 459005), (85, 367204), (170, 183602), (340, 91801)]