256173221

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 289267200

約数和(自身を除く): 33093979

約数列:

[1, 17, 53, 59, 61, 79, 901, 1003, 1037, 1343, 3127, 3233, 3599, 4187, 4661, 4819, 53159, 54961, 61183, 71179, 79237, 81923, 190747, 247033, 255407, 284321, 3242699, 4199561, 4341919, 4833457, 15069013, 256173221]

約数ペア:

[(1, 256173221), (17, 15069013), (53, 4833457), (59, 4341919), (61, 4199561), (79, 3242699), (901, 284321), (1003, 255407), (1037, 247033), (1343, 190747), (3127, 81923), (3233, 79237), (3599, 71179), (4187, 61183), (4661, 54961), (4819, 53159)]