645340003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{364393}}^1$

素因数の和:364434

約数の個数: 16

約数和(自身を含む): 839563776

約数和(自身を除く): 194223773

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 364393, 2550751, 4008323, 8381039, 28058261, 58667273, 92191429, 645340003]

約数ペア:

[(1, 645340003), (7, 92191429), (11, 58667273), (23, 28058261), (77, 8381039), (161, 4008323), (253, 2550751), (1771, 364393)]