9961990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43313}}^1$

素因数の和:43343

約数の個数: 16

約数和(自身を含む): 18711648

約数和(自身を除く): 8749658

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 43313, 86626, 216565, 433130, 996199, 1992398, 4980995, 9961990]

約数ペア:

[(1, 9961990), (2, 4980995), (5, 1992398), (10, 996199), (23, 433130), (46, 216565), (115, 86626), (230, 43313)]