7904008

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 18201600

約数和(自身を除く): 10297592

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 157, 203, 217, 232, 248, 314, 406, 434, 628, 812, 868, 899, 1099, 1256, 1624, 1736, 1798, 2198, 3596, 4396, 4553, 4867, 6293, 7192, 8792, 9106, 9734, 12586, 18212, 19468, 25172, 31871, 34069, 36424, 38936, 50344, 63742, 68138, 127484, 136276, 141143, 254968, 272552, 282286, 564572, 988001, 1129144, 1976002, 3952004, 7904008]

約数ペア:

[(1, 7904008), (2, 3952004), (4, 1976002), (7, 1129144), (8, 988001), (14, 564572), (28, 282286), (29, 272552), (31, 254968), (56, 141143), (58, 136276), (62, 127484), (116, 68138), (124, 63742), (157, 50344), (203, 38936), (217, 36424), (232, 34069), (248, 31871), (314, 25172), (406, 19468), (434, 18212), (628, 12586), (812, 9734), (868, 9106), (899, 8792), (1099, 7192), (1256, 6293), (1624, 4867), (1736, 4553), (1798, 4396), (2198, 3596)]