68173808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{953}}^1$

素因数の和:1241

約数の個数: 40

約数和(自身を含む): 140535648

約数和(自身を除く): 72361840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 263, 272, 526, 953, 1052, 1906, 2104, 3812, 4208, 4471, 7624, 8942, 15248, 16201, 17884, 32402, 35768, 64804, 71536, 129608, 250639, 259216, 501278, 1002556, 2005112, 4010224, 4260863, 8521726, 17043452, 34086904, 68173808]

約数ペア:

[(1, 68173808), (2, 34086904), (4, 17043452), (8, 8521726), (16, 4260863), (17, 4010224), (34, 2005112), (68, 1002556), (136, 501278), (263, 259216), (272, 250639), (526, 129608), (953, 71536), (1052, 64804), (1906, 35768), (2104, 32402), (3812, 17884), (4208, 16201), (4471, 15248), (7624, 8942)]