64720936

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{2003}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 138997440

約数和(自身を除く): 74276504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 1154, 2003, 2308, 4006, 4039, 4616, 8012, 8078, 14021, 16024, 16156, 28042, 32312, 56084, 112168, 1155731, 2311462, 4622924, 8090117, 9245848, 16180234, 32360468, 64720936]

約数ペア:

[(1, 64720936), (2, 32360468), (4, 16180234), (7, 9245848), (8, 8090117), (14, 4622924), (28, 2311462), (56, 1155731), (577, 112168), (1154, 56084), (2003, 32312), (2308, 28042), (4006, 16156), (4039, 16024), (4616, 14021), (8012, 8078)]