220159148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{161407}}^1$

素因数の和:161453

約数の個数: 24

約数和(自身を含む): 433864704

約数和(自身を除く): 213705556

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 161407, 322814, 645628, 1775477, 3550954, 5003617, 7101908, 10007234, 20014468, 55039787, 110079574, 220159148]

約数ペア:

[(1, 220159148), (2, 110079574), (4, 55039787), (11, 20014468), (22, 10007234), (31, 7101908), (44, 5003617), (62, 3550954), (124, 1775477), (341, 645628), (682, 322814), (1364, 161407)]