1278688

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1330

約数の個数: 24

約数和(自身を含む): 2600640

約数和(自身を除く): 1321952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 1289, 2578, 5156, 10312, 20624, 39959, 41248, 79918, 159836, 319672, 639344, 1278688]

約数ペア:

[(1, 1278688), (2, 639344), (4, 319672), (8, 159836), (16, 79918), (31, 41248), (32, 39959), (62, 20624), (124, 10312), (248, 5156), (496, 2578), (992, 1289)]