1387489324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{25981}}^1$

素因数の和:26090

約数の個数: 36

約数和(自身を含む): 2662635360

約数和(自身を除く): 1275146036

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 169, 316, 338, 676, 1027, 2054, 4108, 13351, 25981, 26702, 51962, 53404, 103924, 337753, 675506, 1351012, 2052499, 4104998, 4390789, 8209996, 8781578, 17563156, 26682487, 53364974, 106729948, 346872331, 693744662, 1387489324]

約数ペア:

[(1, 1387489324), (2, 693744662), (4, 346872331), (13, 106729948), (26, 53364974), (52, 26682487), (79, 17563156), (158, 8781578), (169, 8209996), (316, 4390789), (338, 4104998), (676, 2052499), (1027, 1351012), (2054, 675506), (4108, 337753), (13351, 103924), (25981, 53404), (26702, 51962)]