139942928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{282143}}^1$

素因数の和:282182

約数の個数: 20

約数和(自身を含む): 279886848

約数和(自身を除く): 139943920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 282143, 564286, 1128572, 2257144, 4514288, 8746433, 17492866, 34985732, 69971464, 139942928]

約数ペア:

[(1, 139942928), (2, 69971464), (4, 34985732), (8, 17492866), (16, 8746433), (31, 4514288), (62, 2257144), (124, 1128572), (248, 564286), (496, 282143)]