289255135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 389370240

約数和(自身を除く): 100115105

約数列:

[1, 5, 13, 29, 65, 145, 173, 377, 865, 887, 1885, 2249, 4435, 5017, 11245, 11531, 25085, 25723, 57655, 65221, 128615, 153451, 326105, 334399, 767255, 1671995, 1994863, 4450079, 9974315, 22250395, 57851027, 289255135]

約数ペア:

[(1, 289255135), (5, 57851027), (13, 22250395), (29, 9974315), (65, 4450079), (145, 1994863), (173, 1671995), (377, 767255), (865, 334399), (887, 326105), (1885, 153451), (2249, 128615), (4435, 65221), (5017, 57655), (11245, 25723), (11531, 25085)]