243721018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 403107840

約数和(自身を除く): 159386822

約数列:

[1, 2, 19, 23, 38, 46, 431, 437, 647, 862, 874, 1294, 8189, 9913, 12293, 14881, 16378, 19826, 24586, 29762, 188347, 278857, 282739, 376694, 557714, 565478, 5298283, 6413711, 10596566, 12827422, 121860509, 243721018]

約数ペア:

[(1, 243721018), (2, 121860509), (19, 12827422), (23, 10596566), (38, 6413711), (46, 5298283), (431, 565478), (437, 557714), (647, 376694), (862, 282739), (874, 278857), (1294, 188347), (8189, 29762), (9913, 24586), (12293, 19826), (14881, 16378)]