15978392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 32563200

約数和(自身を除く): 16584808

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 3391, 4712, 6782, 13564, 27128, 64429, 105121, 128858, 210242, 257716, 420484, 515432, 840968, 1997299, 3994598, 7989196, 15978392]

約数ペア:

[(1, 15978392), (2, 7989196), (4, 3994598), (8, 1997299), (19, 840968), (31, 515432), (38, 420484), (62, 257716), (76, 210242), (124, 128858), (152, 105121), (248, 64429), (589, 27128), (1178, 13564), (2356, 6782), (3391, 4712)]