81461448

素因数分解:

$2^3\times 3^2\times {\mathrm{739}}^1\times {\mathrm{1531}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 221067600

約数和(自身を除く): 139606152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 739, 1478, 1531, 2217, 2956, 3062, 4434, 4593, 5912, 6124, 6651, 8868, 9186, 12248, 13302, 13779, 17736, 18372, 26604, 27558, 36744, 53208, 55116, 110232, 1131409, 2262818, 3394227, 4525636, 6788454, 9051272, 10182681, 13576908, 20365362, 27153816, 40730724, 81461448]

約数ペア:

[(1, 81461448), (2, 40730724), (3, 27153816), (4, 20365362), (6, 13576908), (8, 10182681), (9, 9051272), (12, 6788454), (18, 4525636), (24, 3394227), (36, 2262818), (72, 1131409), (739, 110232), (1478, 55116), (1531, 53208), (2217, 36744), (2956, 27558), (3062, 26604), (4434, 18372), (4593, 17736), (5912, 13779), (6124, 13302), (6651, 12248), (8868, 9186)]