388389618

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{443}}^1\times {\mathrm{919}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 860258880

約数和(自身を除く): 471869262

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 443, 477, 886, 919, 954, 1329, 1838, 2658, 2757, 3987, 5514, 7974, 8271, 16542, 23479, 46958, 48707, 70437, 97414, 140874, 146121, 211311, 292242, 407117, 422622, 438363, 814234, 876726, 1221351, 2442702, 3664053, 7328106, 21577201, 43154402, 64731603, 129463206, 194194809, 388389618]

約数ペア:

[(1, 388389618), (2, 194194809), (3, 129463206), (6, 64731603), (9, 43154402), (18, 21577201), (53, 7328106), (106, 3664053), (159, 2442702), (318, 1221351), (443, 876726), (477, 814234), (886, 438363), (919, 422622), (954, 407117), (1329, 292242), (1838, 211311), (2658, 146121), (2757, 140874), (3987, 97414), (5514, 70437), (7974, 48707), (8271, 46958), (16542, 23479)]