199987532

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{2003}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 354908400

約数和(自身を除く): 154920868

約数列:

[1, 2, 4, 109, 218, 229, 436, 458, 916, 2003, 4006, 8012, 24961, 49922, 99844, 218327, 436654, 458687, 873308, 917374, 1834748, 49996883, 99993766, 199987532]

約数ペア:

[(1, 199987532), (2, 99993766), (4, 49996883), (109, 1834748), (218, 917374), (229, 873308), (436, 458687), (458, 436654), (916, 218327), (2003, 99844), (4006, 49922), (8012, 24961)]