39969188

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 82938240

約数和(自身を除く): 42969052

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 301, 356, 373, 602, 623, 746, 1204, 1246, 1492, 2492, 2611, 3827, 5222, 7654, 10444, 15308, 16039, 26789, 32078, 33197, 53578, 64156, 66394, 107156, 112273, 132788, 224546, 232379, 449092, 464758, 929516, 1427471, 2854942, 5709884, 9992297, 19984594, 39969188]

約数ペア:

[(1, 39969188), (2, 19984594), (4, 9992297), (7, 5709884), (14, 2854942), (28, 1427471), (43, 929516), (86, 464758), (89, 449092), (172, 232379), (178, 224546), (301, 132788), (356, 112273), (373, 107156), (602, 66394), (623, 64156), (746, 53578), (1204, 33197), (1246, 32078), (1492, 26789), (2492, 16039), (2611, 15308), (3827, 10444), (5222, 7654)]