641538145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{9011}}^1$

素因数の和:9536

約数の個数: 16

約数和(自身を含む): 798102720

約数和(自身を除く): 156564575

約数列:

[1, 5, 29, 145, 491, 2455, 9011, 14239, 45055, 71195, 261319, 1306595, 4424401, 22122005, 128307629, 641538145]

約数ペア:

[(1, 641538145), (5, 128307629), (29, 22122005), (145, 4424401), (491, 1306595), (2455, 261319), (9011, 71195), (14239, 45055)]