25222212

素因数分解:

$2^2\times 3^3\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 65665600

約数和(自身を除く): 40443388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 409, 571, 818, 1142, 1227, 1636, 1713, 2284, 2454, 3426, 3681, 4908, 5139, 6852, 7362, 10278, 11043, 14724, 15417, 20556, 22086, 30834, 44172, 61668, 233539, 467078, 700617, 934156, 1401234, 2101851, 2802468, 4203702, 6305553, 8407404, 12611106, 25222212]

約数ペア:

[(1, 25222212), (2, 12611106), (3, 8407404), (4, 6305553), (6, 4203702), (9, 2802468), (12, 2101851), (18, 1401234), (27, 934156), (36, 700617), (54, 467078), (108, 233539), (409, 61668), (571, 44172), (818, 30834), (1142, 22086), (1227, 20556), (1636, 15417), (1713, 14724), (2284, 11043), (2454, 10278), (3426, 7362), (3681, 6852), (4908, 5139)]