256679244

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{31973}}^1$

素因数の和:32206

約数の個数: 36

約数和(自身を含む): 651758016

約数和(自身を除く): 395078772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 4014, 8028, 31973, 63946, 95919, 127892, 191838, 287757, 383676, 575514, 1151028, 7129979, 14259958, 21389937, 28519916, 42779874, 64169811, 85559748, 128339622, 256679244]

約数ペア:

[(1, 256679244), (2, 128339622), (3, 85559748), (4, 64169811), (6, 42779874), (9, 28519916), (12, 21389937), (18, 14259958), (36, 7129979), (223, 1151028), (446, 575514), (669, 383676), (892, 287757), (1338, 191838), (2007, 127892), (2676, 95919), (4014, 63946), (8028, 31973)]