201425990

素因数分解:

$2^1\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{6977}}^1$

素因数の和:9871

約数の個数: 16

約数和(自身を含む): 362744352

約数和(自身を除く): 161318362

約数列:

[1, 2, 5, 10, 2887, 5774, 6977, 13954, 14435, 28870, 34885, 69770, 20142599, 40285198, 100712995, 201425990]

約数ペア:

[(1, 201425990), (2, 100712995), (5, 40285198), (10, 20142599), (2887, 69770), (5774, 34885), (6977, 28870), (13954, 14435)]