64578155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 85017600

約数和(自身を除く): 20439445

約数列:

[1, 5, 17, 59, 79, 85, 163, 295, 395, 815, 1003, 1343, 2771, 4661, 5015, 6715, 9617, 12877, 13855, 23305, 48085, 64385, 79237, 163489, 218909, 396185, 759743, 817445, 1094545, 3798715, 12915631, 64578155]

約数ペア:

[(1, 64578155), (5, 12915631), (17, 3798715), (59, 1094545), (79, 817445), (85, 759743), (163, 396185), (295, 218909), (395, 163489), (815, 79237), (1003, 64385), (1343, 48085), (2771, 23305), (4661, 13855), (5015, 12877), (6715, 9617)]