660416

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:636

約数の個数: 28

約数和(自身を含む): 1389888

約数和(自身を除く): 729472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 607, 1088, 1214, 2428, 4856, 9712, 10319, 19424, 20638, 38848, 41276, 82552, 165104, 330208, 660416]

約数ペア:

[(1, 660416), (2, 330208), (4, 165104), (8, 82552), (16, 41276), (17, 38848), (32, 20638), (34, 19424), (64, 10319), (68, 9712), (136, 4856), (272, 2428), (544, 1214), (607, 1088)]