201451990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{468493}}^1$

素因数の和:468543

約数の個数: 16

約数和(自身を含む): 371047248

約数和(自身を除く): 169595258

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 468493, 936986, 2342465, 4684930, 20145199, 40290398, 100725995, 201451990]

約数ペア:

[(1, 201451990), (2, 100725995), (5, 40290398), (10, 20145199), (43, 4684930), (86, 2342465), (215, 936986), (430, 468493)]