1231990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7247}}^1$

素因数の和:7271

約数の個数: 16

約数和(自身を含む): 2348352

約数和(自身を除く): 1116362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 7247, 14494, 36235, 72470, 123199, 246398, 615995, 1231990]

約数ペア:

[(1, 1231990), (2, 615995), (5, 246398), (10, 123199), (17, 72470), (34, 36235), (85, 14494), (170, 7247)]