56521311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 102435840

約数和(自身を除く): 45914529

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 357, 389, 407, 561, 629, 777, 1167, 1221, 1309, 1887, 2723, 2849, 3927, 4279, 4403, 6613, 6919, 8169, 8547, 12837, 13209, 14393, 19839, 20757, 29953, 43179, 46291, 48433, 72743, 89859, 100751, 138873, 145299, 158323, 218229, 244681, 302253, 474969, 509201, 734043, 1108261, 1527603, 1712767, 2691491, 3324783, 5138301, 8074473, 18840437, 56521311]

約数ペア:

[(1, 56521311), (3, 18840437), (7, 8074473), (11, 5138301), (17, 3324783), (21, 2691491), (33, 1712767), (37, 1527603), (51, 1108261), (77, 734043), (111, 509201), (119, 474969), (187, 302253), (231, 244681), (259, 218229), (357, 158323), (389, 145299), (407, 138873), (561, 100751), (629, 89859), (777, 72743), (1167, 48433), (1221, 46291), (1309, 43179), (1887, 29953), (2723, 20757), (2849, 19839), (3927, 14393), (4279, 13209), (4403, 12837), (6613, 8547), (6919, 8169)]