42878641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 49977144

約数和(自身を除く): 7098503

約数列:

[1, 13, 17, 101, 113, 221, 289, 1313, 1469, 1717, 1921, 3757, 11413, 22321, 24973, 29189, 32657, 148369, 194021, 379457, 424541, 2522273, 3298357, 42878641]

約数ペア:

[(1, 42878641), (13, 3298357), (17, 2522273), (101, 424541), (113, 379457), (221, 194021), (289, 148369), (1313, 32657), (1469, 29189), (1717, 24973), (1921, 22321), (3757, 11413)]