1640663982

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2450

約数の個数: 72

約数和(自身を含む): 3805019400

約数和(自身を除く): 2164355418

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 139, 153, 278, 289, 306, 417, 578, 834, 867, 1251, 1734, 2269, 2363, 2502, 2601, 4538, 4726, 5202, 6807, 7089, 13614, 14178, 20421, 21267, 38573, 40171, 40842, 42534, 77146, 80342, 115719, 120513, 231438, 241026, 315391, 347157, 361539, 630782, 655741, 694314, 723078, 946173, 1311482, 1892346, 1967223, 2838519, 3934446, 5361647, 5677038, 5901669, 10723294, 11803338, 16084941, 32169882, 48254823, 91147999, 96509646, 182295998, 273443997, 546887994, 820331991, 1640663982]

約数ペア:

[(1, 1640663982), (2, 820331991), (3, 546887994), (6, 273443997), (9, 182295998), (17, 96509646), (18, 91147999), (34, 48254823), (51, 32169882), (102, 16084941), (139, 11803338), (153, 10723294), (278, 5901669), (289, 5677038), (306, 5361647), (417, 3934446), (578, 2838519), (834, 1967223), (867, 1892346), (1251, 1311482), (1734, 946173), (2269, 723078), (2363, 694314), (2502, 655741), (2601, 630782), (4538, 361539), (4726, 347157), (5202, 315391), (6807, 241026), (7089, 231438), (13614, 120513), (14178, 115719), (20421, 80342), (21267, 77146), (38573, 42534), (40171, 40842)]