638973456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1210177}}^1$

素因数の和:1210199

約数の個数: 40

約数和(自身を含む): 1800744864

約数和(自身を除く): 1161771408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 1210177, 2420354, 3630531, 4840708, 7261062, 9681416, 13311947, 14522124, 19362832, 26623894, 29044248, 39935841, 53247788, 58088496, 79871682, 106495576, 159743364, 212991152, 319486728, 638973456]

約数ペア:

[(1, 638973456), (2, 319486728), (3, 212991152), (4, 159743364), (6, 106495576), (8, 79871682), (11, 58088496), (12, 53247788), (16, 39935841), (22, 29044248), (24, 26623894), (33, 19362832), (44, 14522124), (48, 13311947), (66, 9681416), (88, 7261062), (132, 4840708), (176, 3630531), (264, 2420354), (528, 1210177)]