215539306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131909}}^1$

素因数の和:131973

約数の個数: 16

約数和(自身を含む): 348242400

約数和(自身を除く): 132703094

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 131909, 263818, 2506271, 5012542, 5672087, 11344174, 107769653, 215539306]

約数ペア:

[(1, 215539306), (2, 107769653), (19, 11344174), (38, 5672087), (43, 5012542), (86, 2506271), (817, 263818), (1634, 131909)]