71257795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 111476736

約数和(自身を除く): 40218941

約数列:

[1, 5, 7, 17, 23, 35, 41, 85, 115, 119, 127, 161, 205, 287, 391, 595, 635, 697, 805, 889, 943, 1435, 1955, 2159, 2737, 2921, 3485, 4445, 4715, 4879, 5207, 6601, 10795, 13685, 14605, 15113, 16031, 20447, 24395, 26035, 33005, 36449, 49657, 75565, 80155, 88519, 102235, 112217, 119761, 182245, 248285, 347599, 442595, 561085, 598805, 619633, 838327, 1737995, 2035937, 3098165, 4191635, 10179685, 14251559, 71257795]

約数ペア:

[(1, 71257795), (5, 14251559), (7, 10179685), (17, 4191635), (23, 3098165), (35, 2035937), (41, 1737995), (85, 838327), (115, 619633), (119, 598805), (127, 561085), (161, 442595), (205, 347599), (287, 248285), (391, 182245), (595, 119761), (635, 112217), (697, 102235), (805, 88519), (889, 80155), (943, 75565), (1435, 49657), (1955, 36449), (2159, 33005), (2737, 26035), (2921, 24395), (3485, 20447), (4445, 16031), (4715, 15113), (4879, 14605), (5207, 13685), (6601, 10795)]