209804528

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 447399936

約数和(自身を除く): 237595408

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 53, 62, 92, 106, 124, 184, 212, 248, 347, 368, 424, 496, 694, 713, 848, 1219, 1388, 1426, 1643, 2438, 2776, 2852, 3286, 4876, 5552, 5704, 6572, 7981, 9752, 10757, 11408, 13144, 15962, 18391, 19504, 21514, 26288, 31924, 36782, 37789, 43028, 63848, 73564, 75578, 86056, 127696, 147128, 151156, 172112, 247411, 294256, 302312, 422993, 494822, 570121, 604624, 845986, 989644, 1140242, 1691972, 1979288, 2280484, 3383944, 3958576, 4560968, 6767888, 9121936, 13112783, 26225566, 52451132, 104902264, 209804528]

約数ペア:

[(1, 209804528), (2, 104902264), (4, 52451132), (8, 26225566), (16, 13112783), (23, 9121936), (31, 6767888), (46, 4560968), (53, 3958576), (62, 3383944), (92, 2280484), (106, 1979288), (124, 1691972), (184, 1140242), (212, 989644), (248, 845986), (347, 604624), (368, 570121), (424, 494822), (496, 422993), (694, 302312), (713, 294256), (848, 247411), (1219, 172112), (1388, 151156), (1426, 147128), (1643, 127696), (2438, 86056), (2776, 75578), (2852, 73564), (3286, 63848), (4876, 43028), (5552, 37789), (5704, 36782), (6572, 31924), (7981, 26288), (9752, 21514), (10757, 19504), (11408, 18391), (13144, 15962)]