31299872

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 54

約数和(自身を含む): 65950227

約数和(自身を除く): 34650355

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 172, 184, 344, 368, 529, 688, 736, 989, 1058, 1376, 1849, 1978, 2116, 3698, 3956, 4232, 7396, 7912, 8464, 14792, 15824, 16928, 22747, 29584, 31648, 42527, 45494, 59168, 85054, 90988, 170108, 181976, 340216, 363952, 680432, 727904, 978121, 1360864, 1956242, 3912484, 7824968, 15649936, 31299872]

約数ペア:

[(1, 31299872), (2, 15649936), (4, 7824968), (8, 3912484), (16, 1956242), (23, 1360864), (32, 978121), (43, 727904), (46, 680432), (86, 363952), (92, 340216), (172, 181976), (184, 170108), (344, 90988), (368, 85054), (529, 59168), (688, 45494), (736, 42527), (989, 31648), (1058, 29584), (1376, 22747), (1849, 16928), (1978, 15824), (2116, 14792), (3698, 8464), (3956, 7912), (4232, 7396)]