71617975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 111100032

約数和(自身を除く): 39482057

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 67, 115, 143, 169, 253, 275, 299, 325, 335, 575, 715, 737, 845, 871, 1265, 1495, 1541, 1675, 1859, 3289, 3575, 3685, 3887, 4225, 4355, 6325, 7475, 7705, 9295, 9581, 11323, 16445, 16951, 18425, 19435, 20033, 21775, 38525, 42757, 46475, 47905, 56615, 82225, 84755, 97175, 100165, 124553, 213785, 220363, 239525, 260429, 283075, 423775, 500825, 622765, 1068925, 1101815, 1302145, 2864719, 3113825, 5509075, 6510725, 14323595, 71617975]

約数ペア:

[(1, 71617975), (5, 14323595), (11, 6510725), (13, 5509075), (23, 3113825), (25, 2864719), (55, 1302145), (65, 1101815), (67, 1068925), (115, 622765), (143, 500825), (169, 423775), (253, 283075), (275, 260429), (299, 239525), (325, 220363), (335, 213785), (575, 124553), (715, 100165), (737, 97175), (845, 84755), (871, 82225), (1265, 56615), (1495, 47905), (1541, 46475), (1675, 42757), (1859, 38525), (3289, 21775), (3575, 20033), (3685, 19435), (3887, 18425), (4225, 16951), (4355, 16445), (6325, 11323), (7475, 9581), (7705, 9295)]