257683842

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4005

約数の個数: 80

約数和(自身を含む): 642039552

約数和(自身を除く): 384355710

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 234, 279, 351, 403, 558, 702, 806, 837, 1053, 1209, 1674, 2106, 2418, 2511, 3627, 3947, 5022, 7254, 7894, 10881, 11841, 21762, 23682, 32643, 35523, 51311, 65286, 71046, 102622, 106569, 122357, 153933, 213138, 244714, 307866, 319707, 367071, 461799, 639414, 734142, 923598, 1101213, 1385397, 1590641, 2202426, 2770794, 3181282, 3303639, 4156191, 4771923, 6607278, 8312382, 9543846, 9910917, 14315769, 19821834, 28631538, 42947307, 85894614, 128841921, 257683842]

約数ペア:

[(1, 257683842), (2, 128841921), (3, 85894614), (6, 42947307), (9, 28631538), (13, 19821834), (18, 14315769), (26, 9910917), (27, 9543846), (31, 8312382), (39, 6607278), (54, 4771923), (62, 4156191), (78, 3303639), (81, 3181282), (93, 2770794), (117, 2202426), (162, 1590641), (186, 1385397), (234, 1101213), (279, 923598), (351, 734142), (403, 639414), (558, 461799), (702, 367071), (806, 319707), (837, 307866), (1053, 244714), (1209, 213138), (1674, 153933), (2106, 122357), (2418, 106569), (2511, 102622), (3627, 71046), (3947, 65286), (5022, 51311), (7254, 35523), (7894, 32643), (10881, 23682), (11841, 21762)]