213778838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{28649}}^1$

素因数の和:28712

約数の個数: 32

約数和(自身を含む): 404308800

約数和(自身を除く): 190529962

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 28649, 57298, 200543, 372437, 401086, 744874, 1174609, 2349218, 2607059, 5214118, 8222263, 15269917, 16444526, 30539834, 106889419, 213778838]

約数ペア:

[(1, 213778838), (2, 106889419), (7, 30539834), (13, 16444526), (14, 15269917), (26, 8222263), (41, 5214118), (82, 2607059), (91, 2349218), (182, 1174609), (287, 744874), (533, 401086), (574, 372437), (1066, 200543), (3731, 57298), (7462, 28649)]