320425352

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{347}}^1\times {\mathrm{683}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 653397840

約数和(自身を除く): 332972488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 347, 676, 683, 694, 1352, 1366, 1388, 2732, 2776, 4511, 5464, 8879, 9022, 17758, 18044, 35516, 36088, 58643, 71032, 115427, 117286, 230854, 234572, 237001, 461708, 469144, 474002, 923416, 948004, 1896008, 3081013, 6162026, 12324052, 24648104, 40053169, 80106338, 160212676, 320425352]

約数ペア:

[(1, 320425352), (2, 160212676), (4, 80106338), (8, 40053169), (13, 24648104), (26, 12324052), (52, 6162026), (104, 3081013), (169, 1896008), (338, 948004), (347, 923416), (676, 474002), (683, 469144), (694, 461708), (1352, 237001), (1366, 234572), (1388, 230854), (2732, 117286), (2776, 115427), (4511, 71032), (5464, 58643), (8879, 36088), (9022, 35516), (17758, 18044)]