257853102

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 577597440

約数和(自身を除く): 319744338

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 631, 806, 1014, 1209, 1262, 1893, 2197, 2418, 3786, 4394, 5239, 6591, 8203, 10478, 13182, 15717, 16406, 19561, 24609, 31434, 39122, 49218, 58683, 68107, 106639, 117366, 136214, 204321, 213278, 254293, 319917, 408642, 508586, 639834, 762879, 1386307, 1525758, 2772614, 3305809, 4158921, 6611618, 8317842, 9917427, 19834854, 42975517, 85951034, 128926551, 257853102]

約数ペア:

[(1, 257853102), (2, 128926551), (3, 85951034), (6, 42975517), (13, 19834854), (26, 9917427), (31, 8317842), (39, 6611618), (62, 4158921), (78, 3305809), (93, 2772614), (169, 1525758), (186, 1386307), (338, 762879), (403, 639834), (507, 508586), (631, 408642), (806, 319917), (1014, 254293), (1209, 213278), (1262, 204321), (1893, 136214), (2197, 117366), (2418, 106639), (3786, 68107), (4394, 58683), (5239, 49218), (6591, 39122), (8203, 31434), (10478, 24609), (13182, 19561), (15717, 16406)]