12705715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 17915904

約数和(自身を除く): 5210189

約数列:

[1, 5, 11, 17, 55, 85, 107, 127, 187, 535, 635, 935, 1177, 1397, 1819, 2159, 5885, 6985, 9095, 10795, 13589, 20009, 23749, 67945, 100045, 118745, 149479, 231013, 747395, 1155065, 2541143, 12705715]

約数ペア:

[(1, 12705715), (5, 2541143), (11, 1155065), (17, 747395), (55, 231013), (85, 149479), (107, 118745), (127, 100045), (187, 67945), (535, 23749), (635, 20009), (935, 13589), (1177, 10795), (1397, 9095), (1819, 6985), (2159, 5885)]