68110721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 85536000

約数和(自身を除く): 17425279

約数列:

[1, 7, 17, 59, 89, 109, 119, 413, 623, 763, 1003, 1513, 1853, 5251, 6431, 7021, 9701, 10591, 12971, 36757, 45017, 67907, 89267, 109327, 164917, 572359, 624869, 765289, 1154419, 4006513, 9730103, 68110721]

約数ペア:

[(1, 68110721), (7, 9730103), (17, 4006513), (59, 1154419), (89, 765289), (109, 624869), (119, 572359), (413, 164917), (623, 109327), (763, 89267), (1003, 67907), (1513, 45017), (1853, 36757), (5251, 12971), (6431, 10591), (7021, 9701)]