86661988

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 193052160

約数和(自身を除く): 106390172

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 49, 62, 68, 98, 119, 124, 196, 217, 238, 434, 476, 527, 833, 839, 868, 1054, 1519, 1666, 1678, 2108, 3038, 3332, 3356, 3689, 5873, 6076, 7378, 11746, 14263, 14756, 23492, 25823, 26009, 28526, 41111, 51646, 52018, 57052, 82222, 99841, 103292, 104036, 164444, 182063, 199682, 364126, 399364, 442153, 698887, 728252, 884306, 1274441, 1397774, 1768612, 2548882, 2795548, 3095071, 5097764, 6190142, 12380284, 21665497, 43330994, 86661988]

約数ペア:

[(1, 86661988), (2, 43330994), (4, 21665497), (7, 12380284), (14, 6190142), (17, 5097764), (28, 3095071), (31, 2795548), (34, 2548882), (49, 1768612), (62, 1397774), (68, 1274441), (98, 884306), (119, 728252), (124, 698887), (196, 442153), (217, 399364), (238, 364126), (434, 199682), (476, 182063), (527, 164444), (833, 104036), (839, 103292), (868, 99841), (1054, 82222), (1519, 57052), (1666, 52018), (1678, 51646), (2108, 41111), (3038, 28526), (3332, 26009), (3356, 25823), (3689, 23492), (5873, 14756), (6076, 14263), (7378, 11746)]