256499064

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{22691}}^1$

素因数の和:22860

約数の個数: 48

約数和(自身を含む): 699140520

約数和(自身を除く): 442641456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 22691, 45382, 68073, 90764, 136146, 181528, 204219, 272292, 408438, 544584, 816876, 1633752, 3562487, 7124974, 10687461, 14249948, 21374922, 28499896, 32062383, 42749844, 64124766, 85499688, 128249532, 256499064]

約数ペア:

[(1, 256499064), (2, 128249532), (3, 85499688), (4, 64124766), (6, 42749844), (8, 32062383), (9, 28499896), (12, 21374922), (18, 14249948), (24, 10687461), (36, 7124974), (72, 3562487), (157, 1633752), (314, 816876), (471, 544584), (628, 408438), (942, 272292), (1256, 204219), (1413, 181528), (1884, 136146), (2826, 90764), (3768, 68073), (5652, 45382), (11304, 22691)]