28806216

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 74680320

約数和(自身を除く): 45874104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 103, 129, 172, 206, 258, 271, 309, 344, 412, 516, 542, 618, 813, 824, 1032, 1084, 1236, 1626, 2168, 2472, 3252, 4429, 6504, 8858, 11653, 13287, 17716, 23306, 26574, 27913, 34959, 35432, 46612, 53148, 55826, 69918, 83739, 93224, 106296, 111652, 139836, 167478, 223304, 279672, 334956, 669912, 1200259, 2400518, 3600777, 4801036, 7201554, 9602072, 14403108, 28806216]

約数ペア:

[(1, 28806216), (2, 14403108), (3, 9602072), (4, 7201554), (6, 4801036), (8, 3600777), (12, 2400518), (24, 1200259), (43, 669912), (86, 334956), (103, 279672), (129, 223304), (172, 167478), (206, 139836), (258, 111652), (271, 106296), (309, 93224), (344, 83739), (412, 69918), (516, 55826), (542, 53148), (618, 46612), (813, 35432), (824, 34959), (1032, 27913), (1084, 26574), (1236, 23306), (1626, 17716), (2168, 13287), (2472, 11653), (3252, 8858), (4429, 6504)]