81670216

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 157277880

約数和(自身を除く): 75607664

約数列:

[1, 2, 4, 8, 61, 101, 122, 202, 244, 404, 488, 808, 1657, 3314, 6161, 6628, 12322, 13256, 24644, 49288, 101077, 167357, 202154, 334714, 404308, 669428, 808616, 1338856, 10208777, 20417554, 40835108, 81670216]

約数ペア:

[(1, 81670216), (2, 40835108), (4, 20417554), (8, 10208777), (61, 1338856), (101, 808616), (122, 669428), (202, 404308), (244, 334714), (404, 202154), (488, 167357), (808, 101077), (1657, 49288), (3314, 24644), (6161, 13256), (6628, 12322)]