31889845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 43690752

約数和(自身を除く): 11800907

約数列:

[1, 5, 13, 23, 65, 83, 115, 257, 299, 415, 1079, 1285, 1495, 1909, 3341, 5395, 5911, 9545, 16705, 21331, 24817, 29555, 76843, 106655, 124085, 277303, 384215, 490613, 1386515, 2453065, 6377969, 31889845]

約数ペア:

[(1, 31889845), (5, 6377969), (13, 2453065), (23, 1386515), (65, 490613), (83, 384215), (115, 277303), (257, 124085), (299, 106655), (415, 76843), (1079, 29555), (1285, 24817), (1495, 21331), (1909, 16705), (3341, 9545), (5395, 5911)]