9001990

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3931}}^1$

素因数の和:4167

約数の個数: 16

約数和(自身を含む): 16278480

約数和(自身を除く): 7276490

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 3931, 7862, 19655, 39310, 900199, 1800398, 4500995, 9001990]

約数ペア:

[(1, 9001990), (2, 4500995), (5, 1800398), (10, 900199), (229, 39310), (458, 19655), (1145, 7862), (2290, 3931)]