72436721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1213}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 87408000

約数和(自身を除く): 14971279

約数列:

[1, 7, 19, 133, 449, 1213, 3143, 8491, 8531, 23047, 59717, 161329, 544637, 3812459, 10348103, 72436721]

約数ペア:

[(1, 72436721), (7, 10348103), (19, 3812459), (133, 544637), (449, 161329), (1213, 59717), (3143, 23047), (8491, 8531)]