78871806

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2247

約数の個数: 80

約数和(自身を含む): 201613104

約数和(自身を除く): 122741298

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1053, 1326, 1377, 1989, 2106, 2203, 2754, 3978, 4406, 5967, 6609, 11934, 13218, 17901, 19827, 28639, 35802, 37451, 39654, 57278, 59481, 74902, 85917, 112353, 118962, 171834, 178443, 224706, 257751, 337059, 356886, 486863, 515502, 674118, 773253, 973726, 1011177, 1460589, 1546506, 2022354, 2319759, 2921178, 3033531, 4381767, 4639518, 6067062, 8763534, 13145301, 26290602, 39435903, 78871806]

約数ペア:

[(1, 78871806), (2, 39435903), (3, 26290602), (6, 13145301), (9, 8763534), (13, 6067062), (17, 4639518), (18, 4381767), (26, 3033531), (27, 2921178), (34, 2319759), (39, 2022354), (51, 1546506), (54, 1460589), (78, 1011177), (81, 973726), (102, 773253), (117, 674118), (153, 515502), (162, 486863), (221, 356886), (234, 337059), (306, 257751), (351, 224706), (442, 178443), (459, 171834), (663, 118962), (702, 112353), (918, 85917), (1053, 74902), (1326, 59481), (1377, 57278), (1989, 39654), (2106, 37451), (2203, 35802), (2754, 28639), (3978, 19827), (4406, 17901), (5967, 13218), (6609, 11934)]