81328664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14461}}^1$

素因数の和:14523

約数の個数: 32

約数和(自身を含む): 164866800

約数和(自身を除く): 83538136

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 14461, 28922, 57844, 115688, 274759, 535057, 549518, 1070114, 1099036, 2140228, 2198072, 4280456, 10166083, 20332166, 40664332, 81328664]

約数ペア:

[(1, 81328664), (2, 40664332), (4, 20332166), (8, 10166083), (19, 4280456), (37, 2198072), (38, 2140228), (74, 1099036), (76, 1070114), (148, 549518), (152, 535057), (296, 274759), (703, 115688), (1406, 57844), (2812, 28922), (5624, 14461)]