28545686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 51060240

約数和(自身を除く): 22514554

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 131, 221, 262, 289, 377, 442, 493, 578, 754, 986, 1703, 2227, 3406, 3757, 3799, 4454, 6409, 7514, 7598, 8381, 12818, 16762, 28951, 37859, 49387, 57902, 64583, 75718, 98774, 108953, 129166, 217906, 492167, 839579, 984334, 1097911, 1679158, 2195822, 14272843, 28545686]

約数ペア:

[(1, 28545686), (2, 14272843), (13, 2195822), (17, 1679158), (26, 1097911), (29, 984334), (34, 839579), (58, 492167), (131, 217906), (221, 129166), (262, 108953), (289, 98774), (377, 75718), (442, 64583), (493, 57902), (578, 49387), (754, 37859), (986, 28951), (1703, 16762), (2227, 12818), (3406, 8381), (3757, 7598), (3799, 7514), (4454, 6409)]