128398468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{12743}}^1$

素因数の和:12987

約数の個数: 24

約数和(自身を含む): 246214080

約数和(自身を除く): 117815612

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2519, 5038, 10076, 12743, 25486, 50972, 140173, 280346, 560692, 2918147, 5836294, 11672588, 32099617, 64199234, 128398468]

約数ペア:

[(1, 128398468), (2, 64199234), (4, 32099617), (11, 11672588), (22, 5836294), (44, 2918147), (229, 560692), (458, 280346), (916, 140173), (2519, 50972), (5038, 25486), (10076, 12743)]