663424

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 1358640

約数和(自身を除く): 695216

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 73, 128, 142, 146, 284, 292, 568, 584, 1136, 1168, 2272, 2336, 4544, 4672, 5183, 9088, 9344, 10366, 20732, 41464, 82928, 165856, 331712, 663424]

約数ペア:

[(1, 663424), (2, 331712), (4, 165856), (8, 82928), (16, 41464), (32, 20732), (64, 10366), (71, 9344), (73, 9088), (128, 5183), (142, 4672), (146, 4544), (284, 2336), (292, 2272), (568, 1168), (584, 1136)]