28067908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9521}}^1$

素因数の和:9603

約数の個数: 24

約数和(自身を含む): 54389664

約数和(自身を除く): 26321756

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 9521, 19042, 38084, 104731, 209462, 418924, 637907, 1275814, 2551628, 7016977, 14033954, 28067908]

約数ペア:

[(1, 28067908), (2, 14033954), (4, 7016977), (11, 2551628), (22, 1275814), (44, 637907), (67, 418924), (134, 209462), (268, 104731), (737, 38084), (1474, 19042), (2948, 9521)]