311378704

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{213859}}^1$

素因数の和:213887

約数の個数: 40

約数和(自身を含む): 742521920

約数和(自身を除く): 431143216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 213859, 427718, 855436, 1497013, 1710872, 2780167, 2994026, 3421744, 5560334, 5988052, 11120668, 11976104, 19461169, 22241336, 23952208, 38922338, 44482672, 77844676, 155689352, 311378704]

約数ペア:

[(1, 311378704), (2, 155689352), (4, 77844676), (7, 44482672), (8, 38922338), (13, 23952208), (14, 22241336), (16, 19461169), (26, 11976104), (28, 11120668), (52, 5988052), (56, 5560334), (91, 3421744), (104, 2994026), (112, 2780167), (182, 1710872), (208, 1497013), (364, 855436), (728, 427718), (1456, 213859)]