328862690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{19919}}^1$

素因数の和:20066

約数の個数: 32

約数和(自身を含む): 642539520

約数和(自身を除く): 313676830

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 19919, 39838, 99595, 199190, 258947, 517894, 1294735, 2529713, 2589470, 5059426, 12648565, 25297130, 32886269, 65772538, 164431345, 328862690]

約数ペア:

[(1, 328862690), (2, 164431345), (5, 65772538), (10, 32886269), (13, 25297130), (26, 12648565), (65, 5059426), (127, 2589470), (130, 2529713), (254, 1294735), (635, 517894), (1270, 258947), (1651, 199190), (3302, 99595), (8255, 39838), (16510, 19919)]