198904345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{4013}}^1$

素因数の和:4472

約数の個数: 16

約数和(自身を含む): 249702912

約数和(自身を除く): 50798567

約数列:

[1, 5, 23, 115, 431, 2155, 4013, 9913, 20065, 49565, 92299, 461495, 1729603, 8648015, 39780869, 198904345]

約数ペア:

[(1, 198904345), (5, 39780869), (23, 8648015), (115, 1729603), (431, 461495), (2155, 92299), (4013, 49565), (9913, 20065)]