128130262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1433}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 219229920

約数和(自身を除く): 91099658

約数列:

[1, 2, 13, 19, 26, 38, 181, 247, 362, 494, 1433, 2353, 2866, 3439, 4706, 6878, 18629, 27227, 37258, 44707, 54454, 89414, 259373, 353951, 518746, 707902, 3371849, 4928087, 6743698, 9856174, 64065131, 128130262]

約数ペア:

[(1, 128130262), (2, 64065131), (13, 9856174), (19, 6743698), (26, 4928087), (38, 3371849), (181, 707902), (247, 518746), (362, 353951), (494, 259373), (1433, 89414), (2353, 54454), (2866, 44707), (3439, 37258), (4706, 27227), (6878, 18629)]