156728309828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20021501}}^1$

素因数の和:20021627

約数の個数: 24

約数和(自身を含む): 291513069120

約数和(自身を除く): 134784759292

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 20021501, 40043002, 80086004, 380408519, 760817038, 1521634076, 2062214603, 4124429206, 8248858412, 39182077457, 78364154914, 156728309828]

約数ペア:

[(1, 156728309828), (2, 78364154914), (4, 39182077457), (19, 8248858412), (38, 4124429206), (76, 2062214603), (103, 1521634076), (206, 760817038), (412, 380408519), (1957, 80086004), (3914, 40043002), (7828, 20021501)]