28888912318

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1\times {\mathrm{1999}}^1$

素因数の和:3281

約数の個数: 64

約数和(自身を含む): 53144064000

約数和(自身を除く): 24255151682

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1213, 1702, 1999, 2426, 3998, 5957, 8491, 11914, 13993, 16982, 27899, 27986, 44881, 45977, 55798, 73963, 89762, 91954, 147926, 195293, 314167, 321839, 390586, 517741, 628334, 643678, 1032263, 1035482, 1701149, 2064526, 2424787, 3402298, 4849574, 7225841, 11908043, 14451682, 16973509, 23816086, 33947018, 55770101, 89717119, 111540202, 179434238, 390390707, 628019833, 780781414, 1256039666, 2063493737, 4126987474, 14444456159, 28888912318]

約数ペア:

[(1, 28888912318), (2, 14444456159), (7, 4126987474), (14, 2063493737), (23, 1256039666), (37, 780781414), (46, 628019833), (74, 390390707), (161, 179434238), (259, 111540202), (322, 89717119), (518, 55770101), (851, 33947018), (1213, 23816086), (1702, 16973509), (1999, 14451682), (2426, 11908043), (3998, 7225841), (5957, 4849574), (8491, 3402298), (11914, 2424787), (13993, 2064526), (16982, 1701149), (27899, 1035482), (27986, 1032263), (44881, 643678), (45977, 628334), (55798, 517741), (73963, 390586), (89762, 321839), (91954, 314167), (147926, 195293)]