221132015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 297439296

約数和(自身を除く): 76307281

約数列:

[1, 5, 13, 43, 61, 65, 215, 305, 559, 793, 1297, 2623, 2795, 3965, 6485, 13115, 16861, 34099, 55771, 79117, 84305, 170495, 278855, 395585, 725023, 1028521, 3402031, 3625115, 5142605, 17010155, 44226403, 221132015]

約数ペア:

[(1, 221132015), (5, 44226403), (13, 17010155), (43, 5142605), (61, 3625115), (65, 3402031), (215, 1028521), (305, 725023), (559, 395585), (793, 278855), (1297, 170495), (2623, 84305), (2795, 79117), (3965, 55771), (6485, 34099), (13115, 16861)]