13216819

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 4293581

約数列:

[1, 7, 11, 31, 49, 77, 113, 217, 341, 343, 539, 791, 1243, 1519, 2387, 3503, 3773, 5537, 8701, 10633, 16709, 24521, 38533, 38759, 60907, 116963, 171647, 269731, 426349, 1201529, 1888117, 13216819]

約数ペア:

[(1, 13216819), (7, 1888117), (11, 1201529), (31, 426349), (49, 269731), (77, 171647), (113, 116963), (217, 60907), (341, 38759), (343, 38533), (539, 24521), (791, 16709), (1243, 10633), (1519, 8701), (2387, 5537), (3503, 3773)]