256787214

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 520058880

約数和(自身を除く): 263271666

約数列:

[1, 2, 3, 6, 109, 218, 327, 431, 654, 862, 911, 1293, 1822, 2586, 2733, 5466, 46979, 93958, 99299, 140937, 198598, 281874, 297897, 392641, 595794, 785282, 1177923, 2355846, 42797869, 85595738, 128393607, 256787214]

約数ペア:

[(1, 256787214), (2, 128393607), (3, 85595738), (6, 42797869), (109, 2355846), (218, 1177923), (327, 785282), (431, 595794), (654, 392641), (862, 297897), (911, 281874), (1293, 198598), (1822, 140937), (2586, 99299), (2733, 93958), (5466, 46979)]