291220864

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{18803}}^1$

素因数の和:18839

約数の個数: 48

約数和(自身を含む): 637737660

約数和(自身を除く): 346516796

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1408, 1936, 3872, 7744, 15488, 18803, 37606, 75212, 150424, 206833, 300848, 413666, 601696, 827332, 1203392, 1654664, 2275163, 2406784, 3309328, 4550326, 6618656, 9100652, 13237312, 18201304, 26474624, 36402608, 72805216, 145610432, 291220864]

約数ペア:

[(1, 291220864), (2, 145610432), (4, 72805216), (8, 36402608), (11, 26474624), (16, 18201304), (22, 13237312), (32, 9100652), (44, 6618656), (64, 4550326), (88, 3309328), (121, 2406784), (128, 2275163), (176, 1654664), (242, 1203392), (352, 827332), (484, 601696), (704, 413666), (968, 300848), (1408, 206833), (1936, 150424), (3872, 75212), (7744, 37606), (15488, 18803)]