278324284

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{23063}}^1$

素因数の和:23505

約数の個数: 24

約数和(自身を含む): 557964288

約数和(自身を除く): 279640004

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 3017, 6034, 12068, 23063, 46126, 92252, 161441, 322882, 645764, 9940153, 19880306, 39760612, 69581071, 139162142, 278324284]

約数ペア:

[(1, 278324284), (2, 139162142), (4, 69581071), (7, 39760612), (14, 19880306), (28, 9940153), (431, 645764), (862, 322882), (1724, 161441), (3017, 92252), (6034, 46126), (12068, 23063)]