2081862568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1447}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 4222368000

約数和(自身を除く): 2140505432

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 149, 284, 298, 568, 596, 1192, 1207, 1447, 2414, 2533, 2894, 4828, 5066, 5788, 9656, 10132, 10579, 11576, 20264, 21158, 24599, 42316, 49198, 84632, 98396, 102737, 179843, 196792, 205474, 215603, 359686, 410948, 431206, 719372, 821896, 862412, 1438744, 1724824, 1746529, 3493058, 3665251, 6986116, 7330502, 13972232, 14661004, 15307813, 29322008, 30615626, 61231252, 122462504, 260232821, 520465642, 1040931284, 2081862568]

約数ペア:

[(1, 2081862568), (2, 1040931284), (4, 520465642), (8, 260232821), (17, 122462504), (34, 61231252), (68, 30615626), (71, 29322008), (136, 15307813), (142, 14661004), (149, 13972232), (284, 7330502), (298, 6986116), (568, 3665251), (596, 3493058), (1192, 1746529), (1207, 1724824), (1447, 1438744), (2414, 862412), (2533, 821896), (2894, 719372), (4828, 431206), (5066, 410948), (5788, 359686), (9656, 215603), (10132, 205474), (10579, 196792), (11576, 179843), (20264, 102737), (21158, 98396), (24599, 84632), (42316, 49198)]