668484866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{47417}}^1$

素因数の和:47498

約数の個数: 32

約数和(自身を含む): 1229074560

約数和(自身を除く): 560589694

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 2014, 7049, 14098, 47417, 94834, 331919, 663838, 900923, 1801846, 2513101, 5026202, 6306461, 12612922, 17591707, 35183414, 47748919, 95497838, 334242433, 668484866]

約数ペア:

[(1, 668484866), (2, 334242433), (7, 95497838), (14, 47748919), (19, 35183414), (38, 17591707), (53, 12612922), (106, 6306461), (133, 5026202), (266, 2513101), (371, 1801846), (742, 900923), (1007, 663838), (2014, 331919), (7049, 94834), (14098, 47417)]