39856986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2491

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 54491814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2399, 2769, 4798, 5538, 7197, 8307, 14394, 16614, 21591, 31187, 43182, 62374, 93561, 170329, 187122, 280683, 340658, 510987, 561366, 1021974, 1532961, 2214277, 3065922, 4428554, 6642831, 13285662, 19928493, 39856986]

約数ペア:

[(1, 39856986), (2, 19928493), (3, 13285662), (6, 6642831), (9, 4428554), (13, 3065922), (18, 2214277), (26, 1532961), (39, 1021974), (71, 561366), (78, 510987), (117, 340658), (142, 280683), (213, 187122), (234, 170329), (426, 93561), (639, 62374), (923, 43182), (1278, 31187), (1846, 21591), (2399, 16614), (2769, 14394), (4798, 8307), (5538, 7197)]