327520895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 470219904

約数和(自身を除く): 142699009

約数列:

[1, 5, 13, 17, 43, 61, 65, 85, 113, 215, 221, 305, 559, 565, 731, 793, 1037, 1105, 1469, 1921, 2623, 2795, 3655, 3965, 4859, 5185, 6893, 7345, 9503, 9605, 13115, 13481, 24295, 24973, 34099, 34465, 44591, 47515, 63167, 67405, 82603, 89609, 117181, 124865, 170495, 222955, 296399, 315835, 413015, 448045, 579683, 585905, 1073839, 1481995, 1523353, 2898415, 3853187, 5038783, 5369195, 7616765, 19265935, 25193915, 65504179, 327520895]

約数ペア:

[(1, 327520895), (5, 65504179), (13, 25193915), (17, 19265935), (43, 7616765), (61, 5369195), (65, 5038783), (85, 3853187), (113, 2898415), (215, 1523353), (221, 1481995), (305, 1073839), (559, 585905), (565, 579683), (731, 448045), (793, 413015), (1037, 315835), (1105, 296399), (1469, 222955), (1921, 170495), (2623, 124865), (2795, 117181), (3655, 89609), (3965, 82603), (4859, 67405), (5185, 63167), (6893, 47515), (7345, 44591), (9503, 34465), (9605, 34099), (13115, 24973), (13481, 24295)]