8445918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 19756800

約数和(自身を除く): 11310882

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 41, 57, 78, 82, 114, 123, 139, 246, 247, 278, 417, 494, 533, 741, 779, 834, 1066, 1482, 1558, 1599, 1807, 2337, 2641, 3198, 3614, 4674, 5282, 5421, 5699, 7923, 10127, 10842, 11398, 15846, 17097, 20254, 30381, 34194, 34333, 60762, 68666, 74087, 102999, 108281, 148174, 205998, 216562, 222261, 324843, 444522, 649686, 1407653, 2815306, 4222959, 8445918]

約数ペア:

[(1, 8445918), (2, 4222959), (3, 2815306), (6, 1407653), (13, 649686), (19, 444522), (26, 324843), (38, 222261), (39, 216562), (41, 205998), (57, 148174), (78, 108281), (82, 102999), (114, 74087), (123, 68666), (139, 60762), (246, 34333), (247, 34194), (278, 30381), (417, 20254), (494, 17097), (533, 15846), (741, 11398), (779, 10842), (834, 10127), (1066, 7923), (1482, 5699), (1558, 5421), (1599, 5282), (1807, 4674), (2337, 3614), (2641, 3198)]