159617968

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{163543}}^1$

素因数の和:163612

約数の個数: 20

約数和(自身を含む): 314331568

約数和(自身を除く): 154713600

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 163543, 327086, 654172, 1308344, 2616688, 9976123, 19952246, 39904492, 79808984, 159617968]

約数ペア:

[(1, 159617968), (2, 79808984), (4, 39904492), (8, 19952246), (16, 9976123), (61, 2616688), (122, 1308344), (244, 654172), (488, 327086), (976, 163543)]