257324366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 452390400

約数和(自身を除く): 195066034

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 101, 109, 202, 218, 377, 403, 754, 806, 899, 1313, 1417, 1798, 2626, 2834, 2929, 3131, 3161, 3379, 5858, 6262, 6322, 6758, 11009, 11687, 22018, 23374, 38077, 40703, 41093, 43927, 76154, 81406, 82186, 87854, 90799, 97991, 143117, 181598, 195982, 286234, 319261, 341279, 638522, 682558, 1180387, 1273883, 2360774, 2547766, 4150393, 4436627, 8300786, 8873254, 9897091, 19794182, 128662183, 257324366]

約数ペア:

[(1, 257324366), (2, 128662183), (13, 19794182), (26, 9897091), (29, 8873254), (31, 8300786), (58, 4436627), (62, 4150393), (101, 2547766), (109, 2360774), (202, 1273883), (218, 1180387), (377, 682558), (403, 638522), (754, 341279), (806, 319261), (899, 286234), (1313, 195982), (1417, 181598), (1798, 143117), (2626, 97991), (2834, 90799), (2929, 87854), (3131, 82186), (3161, 81406), (3379, 76154), (5858, 43927), (6262, 41093), (6322, 40703), (6758, 38077), (11009, 23374), (11687, 22018)]