81503236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 160272000

約数和(自身を除く): 78768764

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 199, 317, 323, 398, 634, 646, 796, 1268, 1292, 3383, 3781, 5389, 6023, 6766, 7562, 10778, 12046, 13532, 15124, 21556, 24092, 63083, 64277, 102391, 126166, 128554, 204782, 252332, 257108, 409564, 1072411, 1198577, 2144822, 2397154, 4289644, 4794308, 20375809, 40751618, 81503236]

約数ペア:

[(1, 81503236), (2, 40751618), (4, 20375809), (17, 4794308), (19, 4289644), (34, 2397154), (38, 2144822), (68, 1198577), (76, 1072411), (199, 409564), (317, 257108), (323, 252332), (398, 204782), (634, 128554), (646, 126166), (796, 102391), (1268, 64277), (1292, 63083), (3383, 24092), (3781, 21556), (5389, 15124), (6023, 13532), (6766, 12046), (7562, 10778)]