1320220636

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{111997}}^1$

素因数の和:112429

約数の個数: 24

約数和(自身を含む): 2646736736

約数和(自身を除く): 1326516100

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 111997, 223994, 447988, 783979, 1567958, 3135916, 47150737, 94301474, 188602948, 330055159, 660110318, 1320220636]

約数ペア:

[(1, 1320220636), (2, 660110318), (4, 330055159), (7, 188602948), (14, 94301474), (28, 47150737), (421, 3135916), (842, 1567958), (1684, 783979), (2947, 447988), (5894, 223994), (11788, 111997)]