389020912

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{56941}}^1$

素因数の和:57017

約数の個数: 40

約数和(自身を含む): 875540192

約数和(自身を除く): 486519280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 56941, 113882, 227764, 398587, 455528, 797174, 911056, 1594348, 3188696, 3473401, 6377392, 6946802, 13893604, 24313807, 27787208, 48627614, 55574416, 97255228, 194510456, 389020912]

約数ペア:

[(1, 389020912), (2, 194510456), (4, 97255228), (7, 55574416), (8, 48627614), (14, 27787208), (16, 24313807), (28, 13893604), (56, 6946802), (61, 6377392), (112, 3473401), (122, 3188696), (244, 1594348), (427, 911056), (488, 797174), (854, 455528), (976, 398587), (1708, 227764), (3416, 113882), (6832, 56941)]