128206278

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{309677}}^1$

素因数の和:309708

約数の個数: 24

約数和(自身を含む): 289858608

約数和(自身を除く): 161652330

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 309677, 619354, 929031, 1858062, 2787093, 5574186, 7122571, 14245142, 21367713, 42735426, 64103139, 128206278]

約数ペア:

[(1, 128206278), (2, 64103139), (3, 42735426), (6, 21367713), (9, 14245142), (18, 7122571), (23, 5574186), (46, 2787093), (69, 1858062), (138, 929031), (207, 619354), (414, 309677)]