90306278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3332

約数の個数: 32

約数和(自身を含む): 154535040

約数和(自身を除く): 64228762

約数列:

[1, 2, 17, 19, 34, 38, 43, 86, 323, 646, 731, 817, 1462, 1634, 3251, 6502, 13889, 27778, 55267, 61769, 110534, 123538, 139793, 279586, 1050073, 2100146, 2376481, 2656067, 4752962, 5312134, 45153139, 90306278]

約数ペア:

[(1, 90306278), (2, 45153139), (17, 5312134), (19, 4752962), (34, 2656067), (38, 2376481), (43, 2100146), (86, 1050073), (323, 279586), (646, 139793), (731, 123538), (817, 110534), (1462, 61769), (1634, 55267), (3251, 27778), (6502, 13889)]