78631436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 153002304

約数和(自身を除く): 74370868

約数列:

[1, 2, 4, 13, 26, 52, 53, 103, 106, 206, 212, 277, 412, 554, 689, 1108, 1339, 1378, 2678, 2756, 3601, 5356, 5459, 7202, 10918, 14404, 14681, 21836, 28531, 29362, 57062, 58724, 70967, 114124, 141934, 190853, 283868, 370903, 381706, 741806, 763412, 1483612, 1512143, 3024286, 6048572, 19657859, 39315718, 78631436]

約数ペア:

[(1, 78631436), (2, 39315718), (4, 19657859), (13, 6048572), (26, 3024286), (52, 1512143), (53, 1483612), (103, 763412), (106, 741806), (206, 381706), (212, 370903), (277, 283868), (412, 190853), (554, 141934), (689, 114124), (1108, 70967), (1339, 58724), (1378, 57062), (2678, 29362), (2756, 28531), (3601, 21836), (5356, 14681), (5459, 14404), (7202, 10918)]