628178135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19603}}^1$

素因数の和:19667

約数の個数: 32

約数和(自身を含む): 889237440

約数和(自身を除く): 261059305

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 6409, 19603, 32045, 98015, 254839, 333251, 568487, 1274195, 1666255, 2842435, 4332263, 7390331, 9664279, 21661315, 36951655, 48321395, 125635627, 628178135]

約数ペア:

[(1, 628178135), (5, 125635627), (13, 48321395), (17, 36951655), (29, 21661315), (65, 9664279), (85, 7390331), (145, 4332263), (221, 2842435), (377, 1666255), (493, 1274195), (1105, 568487), (1885, 333251), (2465, 254839), (6409, 98015), (19603, 32045)]