399871987190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1\times {\mathrm{484171}}^1$

素因数の和:490544

約数の個数: 32

約数和(自身を含む): 775260079776

約数和(自身を除く): 375388092586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6353, 12706, 31765, 63530, 82589, 165178, 412945, 484171, 825890, 968342, 2420855, 4841710, 6294223, 12588446, 31471115, 62942230, 3075938363, 6151876726, 15379691815, 30759383630, 39987198719, 79974397438, 199935993595, 399871987190]

約数ペア:

[(1, 399871987190), (2, 199935993595), (5, 79974397438), (10, 39987198719), (13, 30759383630), (26, 15379691815), (65, 6151876726), (130, 3075938363), (6353, 62942230), (12706, 31471115), (31765, 12588446), (63530, 6294223), (82589, 4841710), (165178, 2420855), (412945, 968342), (484171, 825890)]