390306124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{27697}}^1$

素因数の和:27985

約数の個数: 24

約数和(自身を含む): 738317888

約数和(自身を除く): 348011764

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 3523, 7046, 14092, 27697, 55394, 110788, 360061, 720122, 1440244, 7505887, 15011774, 30023548, 97576531, 195153062, 390306124]

約数ペア:

[(1, 390306124), (2, 195153062), (4, 97576531), (13, 30023548), (26, 15011774), (52, 7505887), (271, 1440244), (542, 720122), (1084, 360061), (3523, 110788), (7046, 55394), (14092, 27697)]