28918370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 56412720

約数和(自身を除く): 27494350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1229, 1810, 2353, 2458, 4706, 6145, 11765, 12290, 15977, 23530, 31954, 79885, 159770, 222449, 444898, 1112245, 2224490, 2891837, 5783674, 14459185, 28918370]

約数ペア:

[(1, 28918370), (2, 14459185), (5, 5783674), (10, 2891837), (13, 2224490), (26, 1112245), (65, 444898), (130, 222449), (181, 159770), (362, 79885), (905, 31954), (1229, 23530), (1810, 15977), (2353, 12290), (2458, 11765), (4706, 6145)]