68386928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 140229120

約数和(自身を除く): 71842192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 227, 304, 454, 908, 991, 1816, 1982, 3632, 3964, 4313, 7928, 8626, 15856, 17252, 18829, 34504, 37658, 69008, 75316, 150632, 224957, 301264, 449914, 899828, 1799656, 3599312, 4274183, 8548366, 17096732, 34193464, 68386928]

約数ペア:

[(1, 68386928), (2, 34193464), (4, 17096732), (8, 8548366), (16, 4274183), (19, 3599312), (38, 1799656), (76, 899828), (152, 449914), (227, 301264), (304, 224957), (454, 150632), (908, 75316), (991, 69008), (1816, 37658), (1982, 34504), (3632, 18829), (3964, 17252), (4313, 15856), (7928, 8626)]