64907870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2404

約数の個数: 32

約数和(自身を含む): 124478208

約数和(自身を除く): 59570338

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 865, 1730, 2207, 2941, 4414, 5882, 11035, 14705, 22070, 29410, 37519, 75038, 187595, 375190, 381811, 763622, 1909055, 3818110, 6490787, 12981574, 32453935, 64907870]

約数ペア:

[(1, 64907870), (2, 32453935), (5, 12981574), (10, 6490787), (17, 3818110), (34, 1909055), (85, 763622), (170, 381811), (173, 375190), (346, 187595), (865, 75038), (1730, 37519), (2207, 29410), (2941, 22070), (4414, 14705), (5882, 11035)]