161865865

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{8363}}^1$

素因数の和:8461

約数の個数: 24

約数和(自身を含む): 228839040

約数和(自身を除く): 66973175

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 8363, 19355, 41815, 58541, 292705, 409787, 660677, 2048935, 3303385, 4624739, 23123695, 32373173, 161865865]

約数ペア:

[(1, 161865865), (5, 32373173), (7, 23123695), (35, 4624739), (49, 3303385), (79, 2048935), (245, 660677), (395, 409787), (553, 292705), (2765, 58541), (3871, 41815), (8363, 19355)]