1278698538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16393571}}^1$

素因数の和:16393589

約数の個数: 16

約数和(自身を含む): 2754120096

約数和(自身を除く): 1475421558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 16393571, 32787142, 49180713, 98361426, 213116423, 426232846, 639349269, 1278698538]

約数ペア:

[(1, 1278698538), (2, 639349269), (3, 426232846), (6, 213116423), (13, 98361426), (26, 49180713), (39, 32787142), (78, 16393571)]