28543216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3347}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 61027344

約数和(自身を除く): 32484128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 3347, 4264, 6694, 8528, 13388, 26776, 43511, 53552, 87022, 137227, 174044, 274454, 348088, 548908, 696176, 1097816, 1783951, 2195632, 3567902, 7135804, 14271608, 28543216]

約数ペア:

[(1, 28543216), (2, 14271608), (4, 7135804), (8, 3567902), (13, 2195632), (16, 1783951), (26, 1097816), (41, 696176), (52, 548908), (82, 348088), (104, 274454), (164, 174044), (208, 137227), (328, 87022), (533, 53552), (656, 43511), (1066, 26776), (2132, 13388), (3347, 8528), (4264, 6694)]