31313724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1109}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 79191840

約数和(自身を除く): 47878116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 1086, 1109, 2172, 2218, 2353, 3327, 4436, 4706, 6654, 7059, 9412, 13308, 14118, 14417, 28236, 28834, 43251, 57668, 86502, 173004, 200729, 401458, 602187, 802916, 1204374, 2408748, 2609477, 5218954, 7828431, 10437908, 15656862, 31313724]

約数ペア:

[(1, 31313724), (2, 15656862), (3, 10437908), (4, 7828431), (6, 5218954), (12, 2609477), (13, 2408748), (26, 1204374), (39, 802916), (52, 602187), (78, 401458), (156, 200729), (181, 173004), (362, 86502), (543, 57668), (724, 43251), (1086, 28834), (1109, 28236), (2172, 14417), (2218, 14118), (2353, 13308), (3327, 9412), (4436, 7059), (4706, 6654)]