128512496

素因数分解:

$2^4\times 7^3\times {\mathrm{23417}}^1$

素因数の和:23446

約数の個数: 40

約数和(自身を含む): 290383200

約数和(自身を除く): 161870704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 23417, 46834, 93668, 163919, 187336, 327838, 374672, 655676, 1147433, 1311352, 2294866, 2622704, 4589732, 8032031, 9179464, 16064062, 18358928, 32128124, 64256248, 128512496]

約数ペア:

[(1, 128512496), (2, 64256248), (4, 32128124), (7, 18358928), (8, 16064062), (14, 9179464), (16, 8032031), (28, 4589732), (49, 2622704), (56, 2294866), (98, 1311352), (112, 1147433), (196, 655676), (343, 374672), (392, 327838), (686, 187336), (784, 163919), (1372, 93668), (2744, 46834), (5488, 23417)]