251545055

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 321345024

約数和(自身を除く): 69799969

約数列:

[1, 5, 37, 43, 103, 185, 215, 307, 515, 1535, 1591, 3811, 4429, 7955, 11359, 13201, 19055, 22145, 31621, 56795, 66005, 158105, 163873, 488437, 819365, 1169977, 1359703, 2442185, 5849885, 6798515, 50309011, 251545055]

約数ペア:

[(1, 251545055), (5, 50309011), (37, 6798515), (43, 5849885), (103, 2442185), (185, 1359703), (215, 1169977), (307, 819365), (515, 488437), (1535, 163873), (1591, 158105), (3811, 66005), (4429, 56795), (7955, 31621), (11359, 22145), (13201, 19055)]