123894215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 165888000

約数和(自身を除く): 41993785

約数列:

[1, 5, 17, 23, 85, 115, 127, 391, 499, 635, 1955, 2159, 2495, 2921, 8483, 10795, 11477, 14605, 42415, 49657, 57385, 63373, 195109, 248285, 316865, 975545, 1077341, 1457579, 5386705, 7287895, 24778843, 123894215]

約数ペア:

[(1, 123894215), (5, 24778843), (17, 7287895), (23, 5386705), (85, 1457579), (115, 1077341), (127, 975545), (391, 316865), (499, 248285), (635, 195109), (1955, 63373), (2159, 57385), (2495, 49657), (2921, 42415), (8483, 14605), (10795, 11477)]