15666716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 31587360

約数和(自身を除く): 15920644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 101, 157, 202, 247, 314, 404, 494, 628, 988, 1313, 1919, 2041, 2626, 2983, 3838, 4082, 5252, 5966, 7676, 8164, 11932, 15857, 24947, 31714, 38779, 49894, 63428, 77558, 99788, 155116, 206141, 301283, 412282, 602566, 824564, 1205132, 3916679, 7833358, 15666716]

約数ペア:

[(1, 15666716), (2, 7833358), (4, 3916679), (13, 1205132), (19, 824564), (26, 602566), (38, 412282), (52, 301283), (76, 206141), (101, 155116), (157, 99788), (202, 77558), (247, 63428), (314, 49894), (404, 38779), (494, 31714), (628, 24947), (988, 15857), (1313, 11932), (1919, 8164), (2041, 7676), (2626, 5966), (2983, 5252), (3838, 4082)]