16520376

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 42981120

約数和(自身を除く): 26460744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 103, 123, 163, 164, 206, 246, 309, 326, 328, 412, 489, 492, 618, 652, 824, 978, 984, 1236, 1304, 1956, 2472, 3912, 4223, 6683, 8446, 12669, 13366, 16789, 16892, 20049, 25338, 26732, 33578, 33784, 40098, 50367, 50676, 53464, 67156, 80196, 100734, 101352, 134312, 160392, 201468, 402936, 688349, 1376698, 2065047, 2753396, 4130094, 5506792, 8260188, 16520376]

約数ペア:

[(1, 16520376), (2, 8260188), (3, 5506792), (4, 4130094), (6, 2753396), (8, 2065047), (12, 1376698), (24, 688349), (41, 402936), (82, 201468), (103, 160392), (123, 134312), (163, 101352), (164, 100734), (206, 80196), (246, 67156), (309, 53464), (326, 50676), (328, 50367), (412, 40098), (489, 33784), (492, 33578), (618, 26732), (652, 25338), (824, 20049), (978, 16892), (984, 16789), (1236, 13366), (1304, 12669), (1956, 8446), (2472, 6683), (3912, 4223)]