1279411990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1132223}}^1$

素因数の和:1132343

約数の個数: 16

約数和(自身を含む): 2323323648

約数和(自身を除く): 1043911658

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 1132223, 2264446, 5661115, 11322230, 127941199, 255882398, 639705995, 1279411990]

約数ペア:

[(1, 1279411990), (2, 639705995), (5, 255882398), (10, 127941199), (113, 11322230), (226, 5661115), (565, 2264446), (1130, 1132223)]