72655895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 97372800

約数和(自身を除く): 24716905

約数列:

[1, 5, 13, 41, 65, 137, 199, 205, 533, 685, 995, 1781, 2587, 2665, 5617, 8159, 8905, 12935, 27263, 28085, 40795, 73021, 106067, 136315, 354419, 365105, 530335, 1117783, 1772095, 5588915, 14531179, 72655895]

約数ペア:

[(1, 72655895), (5, 14531179), (13, 5588915), (41, 1772095), (65, 1117783), (137, 530335), (199, 365105), (205, 354419), (533, 136315), (685, 106067), (995, 73021), (1781, 40795), (2587, 28085), (2665, 27263), (5617, 12935), (8159, 8905)]