157791972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21521}}^1$

素因数の和:21588

約数の個数: 48

約数和(自身を含む): 404957952

約数和(自身を除く): 247165980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 3666, 7332, 21521, 43042, 64563, 86084, 129126, 258252, 279773, 559546, 839319, 1011487, 1119092, 1678638, 2022974, 3034461, 3357276, 4045948, 6068922, 12137844, 13149331, 26298662, 39447993, 52597324, 78895986, 157791972]

約数ペア:

[(1, 157791972), (2, 78895986), (3, 52597324), (4, 39447993), (6, 26298662), (12, 13149331), (13, 12137844), (26, 6068922), (39, 4045948), (47, 3357276), (52, 3034461), (78, 2022974), (94, 1678638), (141, 1119092), (156, 1011487), (188, 839319), (282, 559546), (564, 279773), (611, 258252), (1222, 129126), (1833, 86084), (2444, 64563), (3666, 43042), (7332, 21521)]