64486780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 144166176

約数和(自身を除く): 79679396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 787, 964, 1205, 1574, 2410, 3148, 3935, 4097, 4820, 7870, 8194, 13379, 15740, 16388, 20485, 26758, 40970, 53516, 66895, 81940, 133790, 189667, 267580, 379334, 758668, 948335, 1896670, 3224339, 3793340, 6448678, 12897356, 16121695, 32243390, 64486780]

約数ペア:

[(1, 64486780), (2, 32243390), (4, 16121695), (5, 12897356), (10, 6448678), (17, 3793340), (20, 3224339), (34, 1896670), (68, 948335), (85, 758668), (170, 379334), (241, 267580), (340, 189667), (482, 133790), (787, 81940), (964, 66895), (1205, 53516), (1574, 40970), (2410, 26758), (3148, 20485), (3935, 16388), (4097, 15740), (4820, 13379), (7870, 8194)]