1337987672

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 2903040000

約数和(自身を除く): 1565052328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 419, 449, 508, 838, 889, 898, 1016, 1676, 1778, 1796, 2933, 3143, 3352, 3556, 3592, 5866, 6286, 7112, 11732, 12572, 23464, 25144, 53213, 57023, 106426, 114046, 188131, 212852, 228092, 372491, 376262, 399161, 425704, 456184, 744982, 752524, 798322, 1316917, 1489964, 1505048, 1596644, 2633834, 2979928, 3193288, 5267668, 10535336, 23892637, 47785274, 95570548, 167248459, 191141096, 334496918, 668993836, 1337987672]

約数ペア:

[(1, 1337987672), (2, 668993836), (4, 334496918), (7, 191141096), (8, 167248459), (14, 95570548), (28, 47785274), (56, 23892637), (127, 10535336), (254, 5267668), (419, 3193288), (449, 2979928), (508, 2633834), (838, 1596644), (889, 1505048), (898, 1489964), (1016, 1316917), (1676, 798322), (1778, 752524), (1796, 744982), (2933, 456184), (3143, 425704), (3352, 399161), (3556, 376262), (3592, 372491), (5866, 228092), (6286, 212852), (7112, 188131), (11732, 114046), (12572, 106426), (23464, 57023), (25144, 53213)]