72990712

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{21169}}^1$

素因数の和:21606

約数の個数: 16

約数和(自身を含む): 137181600

約数和(自身を除く): 64190888

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 21169, 42338, 84676, 169352, 9123839, 18247678, 36495356, 72990712]

約数ペア:

[(1, 72990712), (2, 36495356), (4, 18247678), (8, 9123839), (431, 169352), (862, 84676), (1724, 42338), (3448, 21169)]