1399291271

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1571}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 1739512320

約数和(自身を除く): 340221049

約数列:

[1, 7, 19, 37, 133, 181, 259, 703, 1267, 1571, 3439, 4921, 6697, 10997, 24073, 29849, 46879, 58127, 127243, 208943, 284351, 406889, 890701, 1104413, 1990457, 5402669, 7730891, 10520987, 37818683, 73646909, 199898753, 1399291271]

約数ペア:

[(1, 1399291271), (7, 199898753), (19, 73646909), (37, 37818683), (133, 10520987), (181, 7730891), (259, 5402669), (703, 1990457), (1267, 1104413), (1571, 890701), (3439, 406889), (4921, 284351), (6697, 208943), (10997, 127243), (24073, 58127), (29849, 46879)]