16430975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 22431600

約数和(自身を除く): 6000625

約数列:

[1, 5, 11, 25, 55, 149, 275, 401, 745, 1639, 2005, 3725, 4411, 8195, 10025, 22055, 40975, 59749, 110275, 298745, 657239, 1493725, 3286195, 16430975]

約数ペア:

[(1, 16430975), (5, 3286195), (11, 1493725), (25, 657239), (55, 298745), (149, 110275), (275, 59749), (401, 40975), (745, 22055), (1639, 10025), (2005, 8195), (3725, 4411)]