1388891751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1228021}}^1$

素因数の和:1228066

約数の個数: 16

約数和(自身を含む): 2063076960

約数和(自身を除く): 674185209

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 1228021, 3684063, 15964273, 35612609, 47892819, 106837827, 462963917, 1388891751]

約数ペア:

[(1, 1388891751), (3, 462963917), (13, 106837827), (29, 47892819), (39, 35612609), (87, 15964273), (377, 3684063), (1131, 1228021)]