51539388

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 123221280

約数和(自身を除く): 71681892

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 181, 183, 244, 362, 366, 389, 543, 724, 732, 778, 1086, 1167, 1556, 2172, 2334, 4668, 11041, 22082, 23729, 33123, 44164, 47458, 66246, 70409, 71187, 94916, 132492, 140818, 142374, 211227, 281636, 284748, 422454, 844908, 4294949, 8589898, 12884847, 17179796, 25769694, 51539388]

約数ペア:

[(1, 51539388), (2, 25769694), (3, 17179796), (4, 12884847), (6, 8589898), (12, 4294949), (61, 844908), (122, 422454), (181, 284748), (183, 281636), (244, 211227), (362, 142374), (366, 140818), (389, 132492), (543, 94916), (724, 71187), (732, 70409), (778, 66246), (1086, 47458), (1167, 44164), (1556, 33123), (2172, 23729), (2334, 22082), (4668, 11041)]