256972077

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 402974208

約数和(自身を除く): 146002131

約数列:

[1, 3, 9, 23, 47, 61, 69, 141, 183, 207, 423, 433, 549, 1081, 1299, 1403, 2867, 3243, 3897, 4209, 8601, 9729, 9959, 12627, 20351, 25803, 26413, 29877, 61053, 65941, 79239, 89631, 183159, 197823, 237717, 468073, 593469, 607499, 1241411, 1404219, 1822497, 3724233, 4212657, 5467491, 11172699, 28552453, 85657359, 256972077]

約数ペア:

[(1, 256972077), (3, 85657359), (9, 28552453), (23, 11172699), (47, 5467491), (61, 4212657), (69, 3724233), (141, 1822497), (183, 1404219), (207, 1241411), (423, 607499), (433, 593469), (549, 468073), (1081, 237717), (1299, 197823), (1403, 183159), (2867, 89631), (3243, 79239), (3897, 65941), (4209, 61053), (8601, 29877), (9729, 26413), (9959, 25803), (12627, 20351)]