220131268

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{3559}}^1$

素因数の和:3664

約数の個数: 36

約数和(自身を含む): 449955520

約数和(自身を除く): 229824252

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 2209, 3559, 4418, 7118, 8836, 14236, 15463, 24913, 30926, 49826, 61852, 99652, 167273, 334546, 669092, 1170911, 2341822, 4683644, 7861831, 15723662, 31447324, 55032817, 110065634, 220131268]

約数ペア:

[(1, 220131268), (2, 110065634), (4, 55032817), (7, 31447324), (14, 15723662), (28, 7861831), (47, 4683644), (94, 2341822), (188, 1170911), (329, 669092), (658, 334546), (1316, 167273), (2209, 99652), (3559, 61852), (4418, 49826), (7118, 30926), (8836, 24913), (14236, 15463)]