28140665

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3511}}^1$

素因数の和:3752

約数の個数: 16

約数和(自身を含む): 38772480

約数和(自身を除く): 10631815

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 3511, 8015, 17555, 24577, 122885, 804019, 4020095, 5628133, 28140665]

約数ペア:

[(1, 28140665), (5, 5628133), (7, 4020095), (35, 804019), (229, 122885), (1145, 24577), (1603, 17555), (3511, 8015)]