28498938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 65197440

約数和(自身を除く): 36698502

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 174, 258, 293, 377, 559, 586, 754, 879, 1118, 1131, 1247, 1677, 1758, 2262, 2494, 3354, 3741, 3809, 7482, 7618, 8497, 11427, 12599, 16211, 16994, 22854, 25198, 25491, 32422, 37797, 48633, 50982, 75594, 97266, 110461, 163787, 220922, 327574, 331383, 365371, 491361, 662766, 730742, 982722, 1096113, 2192226, 4749823, 9499646, 14249469, 28498938]

約数ペア:

[(1, 28498938), (2, 14249469), (3, 9499646), (6, 4749823), (13, 2192226), (26, 1096113), (29, 982722), (39, 730742), (43, 662766), (58, 491361), (78, 365371), (86, 331383), (87, 327574), (129, 220922), (174, 163787), (258, 110461), (293, 97266), (377, 75594), (559, 50982), (586, 48633), (754, 37797), (879, 32422), (1118, 25491), (1131, 25198), (1247, 22854), (1677, 16994), (1758, 16211), (2262, 12599), (2494, 11427), (3354, 8497), (3741, 7618), (3809, 7482)]