208123578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12527}}^1$

素因数の和:12619

約数の個数: 48

約数和(自身を含む): 492500736

約数和(自身を除く): 284377158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 12527, 16614, 25054, 37581, 75162, 112743, 162851, 225486, 325702, 488553, 889417, 977106, 1465659, 1778834, 2668251, 2931318, 5336502, 8004753, 11562421, 16009506, 23124842, 34687263, 69374526, 104061789, 208123578]

約数ペア:

[(1, 208123578), (2, 104061789), (3, 69374526), (6, 34687263), (9, 23124842), (13, 16009506), (18, 11562421), (26, 8004753), (39, 5336502), (71, 2931318), (78, 2668251), (117, 1778834), (142, 1465659), (213, 977106), (234, 889417), (426, 488553), (639, 325702), (923, 225486), (1278, 162851), (1846, 112743), (2769, 75162), (5538, 37581), (8307, 25054), (12527, 16614)]