81099828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 217599200

約数和(自身を除く): 136499372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 834, 853, 1251, 1668, 1706, 2502, 2559, 2641, 3412, 5004, 5118, 5282, 7677, 7923, 10236, 10564, 15354, 15846, 16207, 23769, 30708, 31692, 32414, 47538, 48621, 64828, 95076, 97242, 118567, 145863, 194484, 237134, 291726, 355701, 474268, 583452, 711402, 1067103, 1422804, 2134206, 2252773, 4268412, 4505546, 6758319, 9011092, 13516638, 20274957, 27033276, 40549914, 81099828]

約数ペア:

[(1, 81099828), (2, 40549914), (3, 27033276), (4, 20274957), (6, 13516638), (9, 9011092), (12, 6758319), (18, 4505546), (19, 4268412), (36, 2252773), (38, 2134206), (57, 1422804), (76, 1067103), (114, 711402), (139, 583452), (171, 474268), (228, 355701), (278, 291726), (342, 237134), (417, 194484), (556, 145863), (684, 118567), (834, 97242), (853, 95076), (1251, 64828), (1668, 48621), (1706, 47538), (2502, 32414), (2559, 31692), (2641, 30708), (3412, 23769), (5004, 16207), (5118, 15846), (5282, 15354), (7677, 10564), (7923, 10236)]