319239976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 690508800

約数和(自身を除く): 371268824

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 431, 443, 836, 862, 886, 1672, 1724, 1772, 3448, 3544, 4741, 4873, 8189, 8417, 9482, 9746, 16378, 16834, 18964, 19492, 32756, 33668, 37928, 38984, 65512, 67336, 90079, 92587, 180158, 185174, 190933, 360316, 370348, 381866, 720632, 740696, 763732, 1527464, 2100263, 3627727, 4200526, 7255454, 8401052, 14510908, 16802104, 29021816, 39904997, 79809994, 159619988, 319239976]

約数ペア:

[(1, 319239976), (2, 159619988), (4, 79809994), (8, 39904997), (11, 29021816), (19, 16802104), (22, 14510908), (38, 8401052), (44, 7255454), (76, 4200526), (88, 3627727), (152, 2100263), (209, 1527464), (418, 763732), (431, 740696), (443, 720632), (836, 381866), (862, 370348), (886, 360316), (1672, 190933), (1724, 185174), (1772, 180158), (3448, 92587), (3544, 90079), (4741, 67336), (4873, 65512), (8189, 38984), (8417, 37928), (9482, 33668), (9746, 32756), (16378, 19492), (16834, 18964)]