64221948

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{743}}^1$

素因数の和:781

約数の個数: 90

約数和(自身を含む): 189638904

約数和(自身を除く): 125416956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 743, 882, 1029, 1372, 1486, 1764, 2058, 2229, 2401, 2972, 3087, 4116, 4458, 4802, 5201, 6174, 6687, 7203, 8916, 9604, 10402, 12348, 13374, 14406, 15603, 20804, 21609, 26748, 28812, 31206, 36407, 43218, 46809, 62412, 72814, 86436, 93618, 109221, 145628, 187236, 218442, 254849, 327663, 436884, 509698, 655326, 764547, 1019396, 1310652, 1529094, 1783943, 2293641, 3058188, 3567886, 4587282, 5351829, 7135772, 9174564, 10703658, 16055487, 21407316, 32110974, 64221948]

約数ペア:

[(1, 64221948), (2, 32110974), (3, 21407316), (4, 16055487), (6, 10703658), (7, 9174564), (9, 7135772), (12, 5351829), (14, 4587282), (18, 3567886), (21, 3058188), (28, 2293641), (36, 1783943), (42, 1529094), (49, 1310652), (63, 1019396), (84, 764547), (98, 655326), (126, 509698), (147, 436884), (196, 327663), (252, 254849), (294, 218442), (343, 187236), (441, 145628), (588, 109221), (686, 93618), (743, 86436), (882, 72814), (1029, 62412), (1372, 46809), (1486, 43218), (1764, 36407), (2058, 31206), (2229, 28812), (2401, 26748), (2972, 21609), (3087, 20804), (4116, 15603), (4458, 14406), (4802, 13374), (5201, 12348), (6174, 10402), (6687, 9604), (7203, 8916)]