28338804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3229

約数の個数: 72

約数和(自身を含む): 81230240

約数和(自身を除く): 52891436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3187, 4446, 6374, 8892, 9561, 12748, 19122, 28683, 38244, 41431, 57366, 60553, 82862, 114732, 121106, 124293, 165724, 181659, 242212, 248586, 363318, 372879, 497172, 544977, 726636, 745758, 787189, 1089954, 1491516, 1574378, 2179908, 2361567, 3148756, 4723134, 7084701, 9446268, 14169402, 28338804]

約数ペア:

[(1, 28338804), (2, 14169402), (3, 9446268), (4, 7084701), (6, 4723134), (9, 3148756), (12, 2361567), (13, 2179908), (18, 1574378), (19, 1491516), (26, 1089954), (36, 787189), (38, 745758), (39, 726636), (52, 544977), (57, 497172), (76, 372879), (78, 363318), (114, 248586), (117, 242212), (156, 181659), (171, 165724), (228, 124293), (234, 121106), (247, 114732), (342, 82862), (468, 60553), (494, 57366), (684, 41431), (741, 38244), (988, 28683), (1482, 19122), (2223, 12748), (2964, 9561), (3187, 8892), (4446, 6374)]