71314750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21973

約数の個数: 32

約数和(自身を含む): 143777088

約数和(自身を除く): 72462338

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21943, 43886, 109715, 219430, 285259, 548575, 570518, 1097150, 1426295, 2742875, 2852590, 5485750, 7131475, 14262950, 35657375, 71314750]

約数ペア:

[(1, 71314750), (2, 35657375), (5, 14262950), (10, 7131475), (13, 5485750), (25, 2852590), (26, 2742875), (50, 1426295), (65, 1097150), (125, 570518), (130, 548575), (250, 285259), (325, 219430), (650, 109715), (1625, 43886), (3250, 21943)]