1520221885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{42293}}^1$

素因数の和:42397

約数の個数: 32

約数和(自身を含む): 2273725440

約数和(自身を除く): 753503555

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 5135, 7189, 35945, 42293, 211465, 296051, 549809, 1480255, 2749045, 3341147, 3848663, 16705735, 19243315, 23388029, 43434911, 116940145, 217174555, 304044377, 1520221885]

約数ペア:

[(1, 1520221885), (5, 304044377), (7, 217174555), (13, 116940145), (35, 43434911), (65, 23388029), (79, 19243315), (91, 16705735), (395, 3848663), (455, 3341147), (553, 2749045), (1027, 1480255), (2765, 549809), (5135, 296051), (7189, 211465), (35945, 42293)]