28647788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 59693760

約数和(自身を除く): 31045972

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 1196, 1409, 1564, 2818, 5083, 5636, 10166, 18317, 20332, 23953, 32407, 36634, 47906, 64814, 73268, 95812, 129628, 311389, 421291, 550919, 622778, 842582, 1101838, 1245556, 1685164, 2203676, 7161947, 14323894, 28647788]

約数ペア:

[(1, 28647788), (2, 14323894), (4, 7161947), (13, 2203676), (17, 1685164), (23, 1245556), (26, 1101838), (34, 842582), (46, 622778), (52, 550919), (68, 421291), (92, 311389), (221, 129628), (299, 95812), (391, 73268), (442, 64814), (598, 47906), (782, 36634), (884, 32407), (1196, 23953), (1409, 20332), (1564, 18317), (2818, 10166), (5083, 5636)]