31344430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 64746864

約数和(自身を除く): 33402434

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1091, 1105, 1690, 2182, 2210, 2873, 5455, 5746, 10910, 14183, 14365, 18547, 28366, 28730, 37094, 70915, 92735, 141830, 184379, 185470, 241111, 368758, 482222, 921895, 1205555, 1843790, 2411110, 3134443, 6268886, 15672215, 31344430]

約数ペア:

[(1, 31344430), (2, 15672215), (5, 6268886), (10, 3134443), (13, 2411110), (17, 1843790), (26, 1205555), (34, 921895), (65, 482222), (85, 368758), (130, 241111), (169, 185470), (170, 184379), (221, 141830), (338, 92735), (442, 70915), (845, 37094), (1091, 28730), (1105, 28366), (1690, 18547), (2182, 14365), (2210, 14183), (2873, 10910), (5455, 5746)]