64471976

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 58907224

約数列:

[1, 2, 4, 8, 71, 142, 223, 284, 446, 509, 568, 892, 1018, 1784, 2036, 4072, 15833, 31666, 36139, 63332, 72278, 113507, 126664, 144556, 227014, 289112, 454028, 908056, 8058997, 16117994, 32235988, 64471976]

約数ペア:

[(1, 64471976), (2, 32235988), (4, 16117994), (8, 8058997), (71, 908056), (142, 454028), (223, 289112), (284, 227014), (446, 144556), (509, 126664), (568, 113507), (892, 72278), (1018, 63332), (1784, 36139), (2036, 31666), (4072, 15833)]