128614904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20021}}^1$

素因数の和:20111

約数の個数: 32

約数和(自身を含む): 266693040

約数和(自身を除く): 138078136

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 20021, 40042, 80084, 160168, 220231, 440462, 880924, 1461533, 1761848, 2923066, 5846132, 11692264, 16076863, 32153726, 64307452, 128614904]

約数ペア:

[(1, 128614904), (2, 64307452), (4, 32153726), (8, 16076863), (11, 11692264), (22, 5846132), (44, 2923066), (73, 1761848), (88, 1461533), (146, 880924), (292, 440462), (584, 220231), (803, 160168), (1606, 80084), (3212, 40042), (6424, 20021)]