77915318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 133902720

約数和(自身を除く): 55987402

約数列:

[1, 2, 13, 17, 26, 34, 221, 409, 431, 442, 818, 862, 5317, 5603, 6953, 7327, 10634, 11206, 13906, 14654, 90389, 95251, 176279, 180778, 190502, 352558, 2291627, 2996743, 4583254, 5993486, 38957659, 77915318]

約数ペア:

[(1, 77915318), (2, 38957659), (13, 5993486), (17, 4583254), (26, 2996743), (34, 2291627), (221, 352558), (409, 190502), (431, 180778), (442, 176279), (818, 95251), (862, 90389), (5317, 14654), (5603, 13906), (6953, 11206), (7327, 10634)]