81520088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18229}}^1$

素因数の和:18291

約数の個数: 32

約数和(自身を含む): 168445200

約数和(自身を除く): 86925112

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 18229, 36458, 72916, 145832, 236977, 473954, 783847, 947908, 1567694, 1895816, 3135388, 6270776, 10190011, 20380022, 40760044, 81520088]

約数ペア:

[(1, 81520088), (2, 40760044), (4, 20380022), (8, 10190011), (13, 6270776), (26, 3135388), (43, 1895816), (52, 1567694), (86, 947908), (104, 783847), (172, 473954), (344, 236977), (559, 145832), (1118, 72916), (2236, 36458), (4472, 18229)]