90423394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 147121920

約数和(自身を除く): 56698526

約数列:

[1, 2, 19, 38, 47, 94, 197, 257, 394, 514, 893, 1786, 3743, 4883, 7486, 9259, 9766, 12079, 18518, 24158, 50629, 101258, 175921, 229501, 351842, 459002, 961951, 1923902, 2379563, 4759126, 45211697, 90423394]

約数ペア:

[(1, 90423394), (2, 45211697), (19, 4759126), (38, 2379563), (47, 1923902), (94, 961951), (197, 459002), (257, 351842), (394, 229501), (514, 175921), (893, 101258), (1786, 50629), (3743, 24158), (4883, 18518), (7486, 12079), (9259, 9766)]