1279236738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{117989}}^1$

素因数の和:118146

約数の個数: 32

約数和(自身を含む): 2775124800

約数和(自身を除く): 1495888062

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 10842, 117989, 235978, 353967, 707934, 1533857, 3067714, 4601571, 9203142, 16400471, 32800942, 49201413, 98402826, 213206123, 426412246, 639618369, 1279236738]

約数ペア:

[(1, 1279236738), (2, 639618369), (3, 426412246), (6, 213206123), (13, 98402826), (26, 49201413), (39, 32800942), (78, 16400471), (139, 9203142), (278, 4601571), (417, 3067714), (834, 1533857), (1807, 707934), (3614, 353967), (5421, 235978), (10842, 117989)]