289115428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 613166400

約数和(自身を除く): 324050972

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 131, 149, 161, 262, 298, 322, 524, 529, 596, 644, 917, 1043, 1058, 1834, 2086, 2116, 3013, 3427, 3668, 3703, 4172, 6026, 6854, 7406, 12052, 13708, 14812, 19519, 21091, 23989, 39038, 42182, 47978, 69299, 78076, 78821, 84364, 95956, 136633, 138598, 157642, 273266, 277196, 315284, 448937, 485093, 546532, 551747, 897874, 970186, 1103494, 1795748, 1940372, 2206988, 3142559, 6285118, 10325551, 12570236, 20651102, 41302204, 72278857, 144557714, 289115428]

約数ペア:

[(1, 289115428), (2, 144557714), (4, 72278857), (7, 41302204), (14, 20651102), (23, 12570236), (28, 10325551), (46, 6285118), (92, 3142559), (131, 2206988), (149, 1940372), (161, 1795748), (262, 1103494), (298, 970186), (322, 897874), (524, 551747), (529, 546532), (596, 485093), (644, 448937), (917, 315284), (1043, 277196), (1058, 273266), (1834, 157642), (2086, 138598), (2116, 136633), (3013, 95956), (3427, 84364), (3668, 78821), (3703, 78076), (4172, 69299), (6026, 47978), (6854, 42182), (7406, 39038), (12052, 23989), (13708, 21091), (14812, 19519)]