641998064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{6763}}^1$

素因数の和:7137

約数の個数: 40

約数和(自身を含む): 1321009200

約数和(自身を除く): 679011136

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 349, 698, 1396, 2792, 5584, 5933, 6763, 11866, 13526, 23732, 27052, 47464, 54104, 94928, 108208, 114971, 229942, 459884, 919768, 1839536, 2360287, 4720574, 9441148, 18882296, 37764592, 40124879, 80249758, 160499516, 320999032, 641998064]

約数ペア:

[(1, 641998064), (2, 320999032), (4, 160499516), (8, 80249758), (16, 40124879), (17, 37764592), (34, 18882296), (68, 9441148), (136, 4720574), (272, 2360287), (349, 1839536), (698, 919768), (1396, 459884), (2792, 229942), (5584, 114971), (5933, 108208), (6763, 94928), (11866, 54104), (13526, 47464), (23732, 27052)]