3994142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 6382800

約数和(自身を除く): 2388658

約数列:

[1, 2, 19, 38, 89, 178, 1181, 1691, 2362, 3382, 22439, 44878, 105109, 210218, 1997071, 3994142]

約数ペア:

[(1, 3994142), (2, 1997071), (19, 210218), (38, 105109), (89, 44878), (178, 22439), (1181, 3382), (1691, 2362)]