128893456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{8941}}^1$

素因数の和:9019

約数の個数: 40

約数和(自身を含む): 269440344

約数和(自身を除く): 140546888

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 3604, 7208, 8941, 14416, 17882, 35764, 71528, 143056, 151997, 303994, 473873, 607988, 947746, 1215976, 1895492, 2431952, 3790984, 7581968, 8055841, 16111682, 32223364, 64446728, 128893456]

約数ペア:

[(1, 128893456), (2, 64446728), (4, 32223364), (8, 16111682), (16, 8055841), (17, 7581968), (34, 3790984), (53, 2431952), (68, 1895492), (106, 1215976), (136, 947746), (212, 607988), (272, 473873), (424, 303994), (848, 151997), (901, 143056), (1802, 71528), (3604, 35764), (7208, 17882), (8941, 14416)]