128908728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137723}}^1$

素因数の和:137748

約数の個数: 48

約数和(自身を含む): 375986520

約数和(自身を除く): 247077792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 137723, 275446, 413169, 550892, 826338, 1101784, 1239507, 1652676, 1790399, 2479014, 3305352, 3580798, 4958028, 5371197, 7161596, 9916056, 10742394, 14323192, 16113591, 21484788, 32227182, 42969576, 64454364, 128908728]

約数ペア:

[(1, 128908728), (2, 64454364), (3, 42969576), (4, 32227182), (6, 21484788), (8, 16113591), (9, 14323192), (12, 10742394), (13, 9916056), (18, 7161596), (24, 5371197), (26, 4958028), (36, 3580798), (39, 3305352), (52, 2479014), (72, 1790399), (78, 1652676), (104, 1239507), (117, 1101784), (156, 826338), (234, 550892), (312, 413169), (468, 275446), (936, 137723)]