90318748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 179931136

約数和(自身を除く): 89612388

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 403, 559, 806, 1118, 1303, 1333, 1612, 2236, 2606, 2666, 5212, 5332, 16939, 17329, 33878, 34658, 40393, 56029, 67756, 69316, 80786, 112058, 161572, 224116, 525109, 728377, 1050218, 1456754, 1736899, 2100436, 2913508, 3473798, 6947596, 22579687, 45159374, 90318748]

約数ペア:

[(1, 90318748), (2, 45159374), (4, 22579687), (13, 6947596), (26, 3473798), (31, 2913508), (43, 2100436), (52, 1736899), (62, 1456754), (86, 1050218), (124, 728377), (172, 525109), (403, 224116), (559, 161572), (806, 112058), (1118, 80786), (1303, 69316), (1333, 67756), (1612, 56029), (2236, 40393), (2606, 34658), (2666, 33878), (5212, 17329), (5332, 16939)]