647891736

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{2293}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 1655533920

約数和(自身を除く): 1007642184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 193, 244, 366, 386, 488, 579, 732, 772, 1158, 1464, 1544, 2293, 2316, 4586, 4632, 6879, 9172, 11773, 13758, 18344, 23546, 27516, 35319, 47092, 55032, 70638, 94184, 139873, 141276, 279746, 282552, 419619, 442549, 559492, 839238, 885098, 1118984, 1327647, 1678476, 1770196, 2655294, 3356952, 3540392, 5310588, 10621176, 26995489, 53990978, 80986467, 107981956, 161972934, 215963912, 323945868, 647891736]

約数ペア:

[(1, 647891736), (2, 323945868), (3, 215963912), (4, 161972934), (6, 107981956), (8, 80986467), (12, 53990978), (24, 26995489), (61, 10621176), (122, 5310588), (183, 3540392), (193, 3356952), (244, 2655294), (366, 1770196), (386, 1678476), (488, 1327647), (579, 1118984), (732, 885098), (772, 839238), (1158, 559492), (1464, 442549), (1544, 419619), (2293, 282552), (2316, 279746), (4586, 141276), (4632, 139873), (6879, 94184), (9172, 70638), (11773, 55032), (13758, 47092), (18344, 35319), (23546, 27516)]