206371505

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 250430400

約数和(自身を除く): 44058895

約数列:

[1, 5, 131, 509, 619, 655, 2545, 3095, 66679, 81089, 315071, 333395, 405445, 1575355, 41274301, 206371505]

約数ペア:

[(1, 206371505), (5, 41274301), (131, 1575355), (509, 405445), (619, 333395), (655, 315071), (2545, 81089), (3095, 66679)]