218218655

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{8039}}^1$

素因数の和:8194

約数の個数: 16

約数和(自身を含む): 269179200

約数和(自身を除く): 50960545

約数列:

[1, 5, 61, 89, 305, 445, 5429, 8039, 27145, 40195, 490379, 715471, 2451895, 3577355, 43643731, 218218655]

約数ペア:

[(1, 218218655), (5, 43643731), (61, 3577355), (89, 2451895), (305, 715471), (445, 490379), (5429, 40195), (8039, 27145)]