13885345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 18817920

約数和(自身を除く): 4932575

約数列:

[1, 5, 17, 29, 43, 85, 131, 145, 215, 493, 655, 731, 1247, 2227, 2465, 3655, 3799, 5633, 6235, 11135, 18995, 21199, 28165, 64583, 95761, 105995, 163357, 322915, 478805, 816785, 2777069, 13885345]

約数ペア:

[(1, 13885345), (5, 2777069), (17, 816785), (29, 478805), (43, 322915), (85, 163357), (131, 105995), (145, 95761), (215, 64583), (493, 28165), (655, 21199), (731, 18995), (1247, 11135), (2227, 6235), (2465, 5633), (3655, 3799)]