31123404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 85979712

約数和(自身を除く): 54856308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 911, 949, 1314, 1822, 1898, 2628, 2733, 2847, 3644, 3796, 5466, 5694, 8199, 8541, 10932, 11388, 11843, 16398, 17082, 23686, 32796, 34164, 35529, 47372, 66503, 71058, 106587, 133006, 142116, 199509, 213174, 266012, 399018, 426348, 598527, 798036, 864539, 1197054, 1729078, 2394108, 2593617, 3458156, 5187234, 7780851, 10374468, 15561702, 31123404]

約数ペア:

[(1, 31123404), (2, 15561702), (3, 10374468), (4, 7780851), (6, 5187234), (9, 3458156), (12, 2593617), (13, 2394108), (18, 1729078), (26, 1197054), (36, 864539), (39, 798036), (52, 598527), (73, 426348), (78, 399018), (117, 266012), (146, 213174), (156, 199509), (219, 142116), (234, 133006), (292, 106587), (438, 71058), (468, 66503), (657, 47372), (876, 35529), (911, 34164), (949, 32796), (1314, 23686), (1822, 17082), (1898, 16398), (2628, 11843), (2733, 11388), (2847, 10932), (3644, 8541), (3796, 8199), (5466, 5694)]