311857572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{3109}}^1$

素因数の和:3772

約数の個数: 48

約数和(自身を含む): 785113280

約数和(自身を除く): 473255708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 643, 1286, 1929, 2572, 3109, 3858, 6218, 7716, 8359, 9327, 12436, 16718, 18654, 25077, 33436, 37308, 40417, 50154, 80834, 100308, 121251, 161668, 242502, 485004, 1999087, 3998174, 5997261, 7996348, 11994522, 23989044, 25988131, 51976262, 77964393, 103952524, 155928786, 311857572]

約数ペア:

[(1, 311857572), (2, 155928786), (3, 103952524), (4, 77964393), (6, 51976262), (12, 25988131), (13, 23989044), (26, 11994522), (39, 7996348), (52, 5997261), (78, 3998174), (156, 1999087), (643, 485004), (1286, 242502), (1929, 161668), (2572, 121251), (3109, 100308), (3858, 80834), (6218, 50154), (7716, 40417), (8359, 37308), (9327, 33436), (12436, 25077), (16718, 18654)]