81423142

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{1693}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 123797520

約数和(自身を除く): 42374378

約数列:

[1, 2, 139, 173, 278, 346, 1693, 3386, 24047, 48094, 235327, 292889, 470654, 585778, 40711571, 81423142]

約数ペア:

[(1, 81423142), (2, 40711571), (139, 585778), (173, 470654), (278, 292889), (346, 235327), (1693, 48094), (3386, 24047)]