618187856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{997}}^1$

素因数の和:1300

約数の個数: 80

約数和(自身を含む): 1413742848

約数和(自身を除く): 795554992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 271, 286, 542, 572, 997, 1084, 1144, 1994, 2168, 2288, 2981, 3523, 3988, 4336, 5962, 7046, 7976, 10967, 11924, 12961, 14092, 15952, 21934, 23848, 25922, 28184, 38753, 43868, 47696, 51844, 56368, 77506, 87736, 103688, 142571, 155012, 175472, 207376, 270187, 285142, 310024, 540374, 570284, 620048, 1080748, 1140568, 2161496, 2281136, 2972057, 3512431, 4322992, 5944114, 7024862, 11888228, 14049724, 23776456, 28099448, 38636741, 47552912, 56198896, 77273482, 154546964, 309093928, 618187856]

約数ペア:

[(1, 618187856), (2, 309093928), (4, 154546964), (8, 77273482), (11, 56198896), (13, 47552912), (16, 38636741), (22, 28099448), (26, 23776456), (44, 14049724), (52, 11888228), (88, 7024862), (104, 5944114), (143, 4322992), (176, 3512431), (208, 2972057), (271, 2281136), (286, 2161496), (542, 1140568), (572, 1080748), (997, 620048), (1084, 570284), (1144, 540374), (1994, 310024), (2168, 285142), (2288, 270187), (2981, 207376), (3523, 175472), (3988, 155012), (4336, 142571), (5962, 103688), (7046, 87736), (7976, 77506), (10967, 56368), (11924, 51844), (12961, 47696), (14092, 43868), (15952, 38753), (21934, 28184), (23848, 25922)]