661751874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3499}}^1$

素因数の和:3612

約数の個数: 96

約数和(自身を含む): 1747200000

約数和(自身を除く): 1085448126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 79, 114, 126, 133, 158, 171, 237, 266, 342, 399, 474, 553, 711, 798, 1106, 1197, 1422, 1501, 1659, 2394, 3002, 3318, 3499, 4503, 4977, 6998, 9006, 9954, 10497, 10507, 13509, 20994, 21014, 24493, 27018, 31491, 31521, 48986, 62982, 63042, 66481, 73479, 94563, 132962, 146958, 189126, 199443, 220437, 276421, 398886, 440874, 465367, 552842, 598329, 829263, 930734, 1196658, 1396101, 1658526, 1934947, 2487789, 2792202, 3869894, 4188303, 4975578, 5251999, 5804841, 8376606, 10503998, 11609682, 15755997, 17414523, 31511994, 34829046, 36763993, 47267991, 73527986, 94535982, 110291979, 220583958, 330875937, 661751874]

約数ペア:

[(1, 661751874), (2, 330875937), (3, 220583958), (6, 110291979), (7, 94535982), (9, 73527986), (14, 47267991), (18, 36763993), (19, 34829046), (21, 31511994), (38, 17414523), (42, 15755997), (57, 11609682), (63, 10503998), (79, 8376606), (114, 5804841), (126, 5251999), (133, 4975578), (158, 4188303), (171, 3869894), (237, 2792202), (266, 2487789), (342, 1934947), (399, 1658526), (474, 1396101), (553, 1196658), (711, 930734), (798, 829263), (1106, 598329), (1197, 552842), (1422, 465367), (1501, 440874), (1659, 398886), (2394, 276421), (3002, 220437), (3318, 199443), (3499, 189126), (4503, 146958), (4977, 132962), (6998, 94563), (9006, 73479), (9954, 66481), (10497, 63042), (10507, 62982), (13509, 48986), (20994, 31521), (21014, 31491), (24493, 27018)]