12911870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 24

約数和(自身を含む): 23696712

約数和(自身を除く): 10784842

約数列:

[1, 2, 5, 10, 61, 122, 305, 347, 610, 694, 1735, 3470, 3721, 7442, 18605, 21167, 37210, 42334, 105835, 211670, 1291187, 2582374, 6455935, 12911870]

約数ペア:

[(1, 12911870), (2, 6455935), (5, 2582374), (10, 1291187), (61, 211670), (122, 105835), (305, 42334), (347, 37210), (610, 21167), (694, 18605), (1735, 7442), (3470, 3721)]