12651490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 23452416

約数和(自身を除く): 10800926

約数列:

[1, 2, 5, 10, 71, 103, 142, 173, 206, 346, 355, 515, 710, 865, 1030, 1730, 7313, 12283, 14626, 17819, 24566, 35638, 36565, 61415, 73130, 89095, 122830, 178190, 1265149, 2530298, 6325745, 12651490]

約数ペア:

[(1, 12651490), (2, 6325745), (5, 2530298), (10, 1265149), (71, 178190), (103, 122830), (142, 89095), (173, 73130), (206, 61415), (346, 36565), (355, 35638), (515, 24566), (710, 17819), (865, 14626), (1030, 12283), (1730, 7313)]