28801955

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9043}}^1$

素因数の和:9075

約数の個数: 24

約数和(自身を含む): 43302672

約数和(自身を除く): 14500717

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 9043, 45215, 63301, 117559, 316505, 443107, 587795, 822913, 2215535, 4114565, 5760391, 28801955]

約数ペア:

[(1, 28801955), (5, 5760391), (7, 4114565), (13, 2215535), (35, 822913), (49, 587795), (65, 443107), (91, 316505), (245, 117559), (455, 63301), (637, 45215), (3185, 9043)]