71574965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 114462720

約数和(自身を除く): 42887755

約数列:

[1, 5, 7, 11, 23, 35, 55, 59, 77, 115, 137, 161, 253, 295, 385, 413, 649, 685, 805, 959, 1265, 1357, 1507, 1771, 2065, 3151, 3245, 4543, 4795, 6785, 7535, 8083, 8855, 9499, 10549, 14927, 15755, 22057, 22715, 34661, 40415, 47495, 52745, 56581, 74635, 88913, 104489, 110285, 173305, 185909, 242627, 282905, 444565, 522445, 622391, 929545, 1213135, 1301363, 2044999, 3111955, 6506815, 10224995, 14314993, 71574965]

約数ペア:

[(1, 71574965), (5, 14314993), (7, 10224995), (11, 6506815), (23, 3111955), (35, 2044999), (55, 1301363), (59, 1213135), (77, 929545), (115, 622391), (137, 522445), (161, 444565), (253, 282905), (295, 242627), (385, 185909), (413, 173305), (649, 110285), (685, 104489), (805, 88913), (959, 74635), (1265, 56581), (1357, 52745), (1507, 47495), (1771, 40415), (2065, 34661), (3151, 22715), (3245, 22057), (4543, 15755), (4795, 14927), (6785, 10549), (7535, 9499), (8083, 8855)]