257945436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3229}}^1$

素因数の和:3563

約数の個数: 72

約数和(自身を含む): 747757920

約数和(自身を除く): 489812484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 317, 634, 951, 1268, 1902, 2219, 2853, 3229, 3804, 4438, 5706, 6458, 6657, 8876, 9687, 11412, 12916, 13314, 19374, 19971, 22603, 26628, 29061, 38748, 39942, 45206, 58122, 67809, 79884, 90412, 116244, 135618, 203427, 271236, 406854, 813708, 1023593, 2047186, 3070779, 4094372, 6141558, 7165151, 9212337, 12283116, 14330302, 18424674, 21495453, 28660604, 36849348, 42990906, 64486359, 85981812, 128972718, 257945436]

約数ペア:

[(1, 257945436), (2, 128972718), (3, 85981812), (4, 64486359), (6, 42990906), (7, 36849348), (9, 28660604), (12, 21495453), (14, 18424674), (18, 14330302), (21, 12283116), (28, 9212337), (36, 7165151), (42, 6141558), (63, 4094372), (84, 3070779), (126, 2047186), (252, 1023593), (317, 813708), (634, 406854), (951, 271236), (1268, 203427), (1902, 135618), (2219, 116244), (2853, 90412), (3229, 79884), (3804, 67809), (4438, 58122), (5706, 45206), (6458, 39942), (6657, 38748), (8876, 29061), (9687, 26628), (11412, 22603), (12916, 19971), (13314, 19374)]