42741716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^2$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 80750880

約数和(自身を除く): 38009164

約数列:

[1, 2, 4, 19, 38, 71, 76, 89, 142, 178, 284, 356, 1349, 1691, 2698, 3382, 5396, 6319, 6764, 7921, 12638, 15842, 25276, 31684, 120061, 150499, 240122, 300998, 480244, 562391, 601996, 1124782, 2249564, 10685429, 21370858, 42741716]

約数ペア:

[(1, 42741716), (2, 21370858), (4, 10685429), (19, 2249564), (38, 1124782), (71, 601996), (76, 562391), (89, 480244), (142, 300998), (178, 240122), (284, 150499), (356, 120061), (1349, 31684), (1691, 25276), (2698, 15842), (3382, 12638), (5396, 7921), (6319, 6764)]