128319654

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{26177}}^1$

素因数の和:26244

約数の個数: 32

約数和(自身を含む): 276439680

約数和(自身を除く): 148120026

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4902, 26177, 52354, 78531, 157062, 497363, 994726, 1125611, 1492089, 2251222, 2984178, 3376833, 6753666, 21386609, 42773218, 64159827, 128319654]

約数ペア:

[(1, 128319654), (2, 64159827), (3, 42773218), (6, 21386609), (19, 6753666), (38, 3376833), (43, 2984178), (57, 2251222), (86, 1492089), (114, 1125611), (129, 994726), (258, 497363), (817, 157062), (1634, 78531), (2451, 52354), (4902, 26177)]