31513014

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 74142432

約数和(自身を除く): 42629418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 274, 411, 822, 983, 1233, 1781, 1966, 2466, 2949, 3562, 5343, 5898, 8847, 10686, 12779, 16029, 17694, 25558, 32058, 38337, 76674, 115011, 134671, 230022, 269342, 404013, 808026, 1212039, 1750723, 2424078, 3501446, 5252169, 10504338, 15756507, 31513014]

約数ペア:

[(1, 31513014), (2, 15756507), (3, 10504338), (6, 5252169), (9, 3501446), (13, 2424078), (18, 1750723), (26, 1212039), (39, 808026), (78, 404013), (117, 269342), (137, 230022), (234, 134671), (274, 115011), (411, 76674), (822, 38337), (983, 32058), (1233, 25558), (1781, 17694), (1966, 16029), (2466, 12779), (2949, 10686), (3562, 8847), (5343, 5898)]