81192968

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 160866000

約数和(自身を除く): 79673032

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 179, 236, 248, 358, 472, 716, 961, 1432, 1829, 1922, 3658, 3844, 5549, 7316, 7688, 10561, 11098, 14632, 21122, 22196, 42244, 44392, 56699, 84488, 113398, 172019, 226796, 327391, 344038, 453592, 654782, 688076, 1309564, 1376152, 2619128, 10149121, 20298242, 40596484, 81192968]

約数ペア:

[(1, 81192968), (2, 40596484), (4, 20298242), (8, 10149121), (31, 2619128), (59, 1376152), (62, 1309564), (118, 688076), (124, 654782), (179, 453592), (236, 344038), (248, 327391), (358, 226796), (472, 172019), (716, 113398), (961, 84488), (1432, 56699), (1829, 44392), (1922, 42244), (3658, 22196), (3844, 21122), (5549, 14632), (7316, 11098), (7688, 10561)]