866628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 2649920

約数和(自身を除く): 1783292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 181, 228, 252, 266, 342, 362, 399, 532, 543, 684, 724, 798, 1086, 1197, 1267, 1596, 1629, 2172, 2394, 2534, 3258, 3439, 3801, 4788, 5068, 6516, 6878, 7602, 10317, 11403, 13756, 15204, 20634, 22806, 24073, 30951, 41268, 45612, 48146, 61902, 72219, 96292, 123804, 144438, 216657, 288876, 433314, 866628]

約数ペア:

[(1, 866628), (2, 433314), (3, 288876), (4, 216657), (6, 144438), (7, 123804), (9, 96292), (12, 72219), (14, 61902), (18, 48146), (19, 45612), (21, 41268), (28, 30951), (36, 24073), (38, 22806), (42, 20634), (57, 15204), (63, 13756), (76, 11403), (84, 10317), (114, 7602), (126, 6878), (133, 6516), (171, 5068), (181, 4788), (228, 3801), (252, 3439), (266, 3258), (342, 2534), (362, 2394), (399, 2172), (532, 1629), (543, 1596), (684, 1267), (724, 1197), (798, 1086)]