123230156

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{61987}}^1$

素因数の和:62069

約数の個数: 24

約数和(自身を含む): 249935616

約数和(自身を除く): 126705460

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 61987, 123974, 247948, 433909, 867818, 1735636, 4401077, 8802154, 17604308, 30807539, 61615078, 123230156]

約数ペア:

[(1, 123230156), (2, 61615078), (4, 30807539), (7, 17604308), (14, 8802154), (28, 4401077), (71, 1735636), (142, 867818), (284, 433909), (497, 247948), (994, 123974), (1988, 61987)]