81636268

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 169867264

約数和(自身を除く): 88230996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 163, 217, 326, 434, 577, 652, 868, 1141, 1154, 2282, 2308, 4039, 4564, 5053, 8078, 10106, 16156, 17887, 20212, 35371, 35774, 70742, 71548, 94051, 125209, 141484, 188102, 250418, 376204, 500836, 658357, 1316714, 2633428, 2915581, 5831162, 11662324, 20409067, 40818134, 81636268]

約数ペア:

[(1, 81636268), (2, 40818134), (4, 20409067), (7, 11662324), (14, 5831162), (28, 2915581), (31, 2633428), (62, 1316714), (124, 658357), (163, 500836), (217, 376204), (326, 250418), (434, 188102), (577, 141484), (652, 125209), (868, 94051), (1141, 71548), (1154, 70742), (2282, 35774), (2308, 35371), (4039, 20212), (4564, 17887), (5053, 16156), (8078, 10106)]