13287664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 27953072

約数和(自身を除く): 14665408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 331, 386, 662, 772, 1324, 1544, 2509, 2648, 3088, 4303, 5018, 5296, 8606, 10036, 17212, 20072, 34424, 40144, 63883, 68848, 127766, 255532, 511064, 830479, 1022128, 1660958, 3321916, 6643832, 13287664]

約数ペア:

[(1, 13287664), (2, 6643832), (4, 3321916), (8, 1660958), (13, 1022128), (16, 830479), (26, 511064), (52, 255532), (104, 127766), (193, 68848), (208, 63883), (331, 40144), (386, 34424), (662, 20072), (772, 17212), (1324, 10036), (1544, 8606), (2509, 5296), (2648, 5018), (3088, 4303)]