71238475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 114992640

約数和(自身を除く): 43754165

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 1265, 1609, 1771, 1925, 4025, 6325, 8045, 8855, 11263, 17699, 37007, 40225, 44275, 56315, 88495, 123893, 185035, 259049, 281575, 407077, 442475, 619465, 925175, 1295245, 2035385, 2849539, 3097325, 6476225, 10176925, 14247695, 71238475]

約数ペア:

[(1, 71238475), (5, 14247695), (7, 10176925), (11, 6476225), (23, 3097325), (25, 2849539), (35, 2035385), (55, 1295245), (77, 925175), (115, 619465), (161, 442475), (175, 407077), (253, 281575), (275, 259049), (385, 185035), (575, 123893), (805, 88495), (1265, 56315), (1609, 44275), (1771, 40225), (1925, 37007), (4025, 17699), (6325, 11263), (8045, 8855)]