1387958416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6672877}}^1$

素因数の和:6672898

約数の個数: 20

約数和(自身を含む): 2896029052

約数和(自身を除く): 1508070636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6672877, 13345754, 26691508, 53383016, 86747401, 106766032, 173494802, 346989604, 693979208, 1387958416]

約数ペア:

[(1, 1387958416), (2, 693979208), (4, 346989604), (8, 173494802), (13, 106766032), (16, 86747401), (26, 53383016), (52, 26691508), (104, 13345754), (208, 6672877)]