31691868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 80080896

約数和(自身を除く): 48389028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 669, 892, 911, 1338, 1822, 2676, 2733, 2899, 3644, 5466, 5798, 8697, 10932, 11596, 11843, 17394, 23686, 34788, 35529, 47372, 71058, 142116, 203153, 406306, 609459, 812612, 1218918, 2437836, 2640989, 5281978, 7922967, 10563956, 15845934, 31691868]

約数ペア:

[(1, 31691868), (2, 15845934), (3, 10563956), (4, 7922967), (6, 5281978), (12, 2640989), (13, 2437836), (26, 1218918), (39, 812612), (52, 609459), (78, 406306), (156, 203153), (223, 142116), (446, 71058), (669, 47372), (892, 35529), (911, 34788), (1338, 23686), (1822, 17394), (2676, 11843), (2733, 11596), (2899, 10932), (3644, 8697), (5466, 5798)]