278775328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2141}}^1$

素因数の和:2477

約数の個数: 48

約数和(自身を含む): 593222616

約数和(自身を除く): 314447288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 313, 416, 626, 1252, 2141, 2504, 4069, 4282, 5008, 8138, 8564, 10016, 16276, 17128, 27833, 32552, 34256, 55666, 65104, 68512, 111332, 130208, 222664, 445328, 670133, 890656, 1340266, 2680532, 5361064, 8711729, 10722128, 17423458, 21444256, 34846916, 69693832, 139387664, 278775328]

約数ペア:

[(1, 278775328), (2, 139387664), (4, 69693832), (8, 34846916), (13, 21444256), (16, 17423458), (26, 10722128), (32, 8711729), (52, 5361064), (104, 2680532), (208, 1340266), (313, 890656), (416, 670133), (626, 445328), (1252, 222664), (2141, 130208), (2504, 111332), (4069, 68512), (4282, 65104), (5008, 55666), (8138, 34256), (8564, 32552), (10016, 27833), (16276, 17128)]