209907438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{72733}}^1$

素因数の和:72788

約数の個数: 32

約数和(自身を含む): 464333856

約数和(自身を除く): 254426418

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 72733, 145466, 218199, 436398, 945529, 1891058, 2691121, 2836587, 5382242, 5673174, 8073363, 16146726, 34984573, 69969146, 104953719, 209907438]

約数ペア:

[(1, 209907438), (2, 104953719), (3, 69969146), (6, 34984573), (13, 16146726), (26, 8073363), (37, 5673174), (39, 5382242), (74, 2836587), (78, 2691121), (111, 1891058), (222, 945529), (481, 436398), (962, 218199), (1443, 145466), (2886, 72733)]