16270891

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 4897109

約数列:

[1, 7, 13, 41, 49, 89, 91, 287, 343, 533, 623, 637, 1157, 2009, 3649, 3731, 4361, 4459, 8099, 14063, 25543, 26117, 30527, 47437, 56693, 178801, 182819, 332059, 396851, 1251607, 2324413, 16270891]

約数ペア:

[(1, 16270891), (7, 2324413), (13, 1251607), (41, 396851), (49, 332059), (89, 182819), (91, 178801), (287, 56693), (343, 47437), (533, 30527), (623, 26117), (637, 25543), (1157, 14063), (2009, 8099), (3649, 4459), (3731, 4361)]