201578078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 350201040

約数和(自身を除く): 148622962

約数列:

[1, 2, 13, 17, 26, 34, 139, 193, 221, 278, 289, 386, 442, 578, 1807, 2363, 2509, 3281, 3614, 3757, 4726, 5018, 6562, 7514, 26827, 30719, 40171, 42653, 53654, 55777, 61438, 80342, 85306, 111554, 348751, 456059, 522223, 697502, 725101, 912118, 1044446, 1450202, 5928767, 7753003, 11857534, 15506006, 100789039, 201578078]

約数ペア:

[(1, 201578078), (2, 100789039), (13, 15506006), (17, 11857534), (26, 7753003), (34, 5928767), (139, 1450202), (193, 1044446), (221, 912118), (278, 725101), (289, 697502), (386, 522223), (442, 456059), (578, 348751), (1807, 111554), (2363, 85306), (2509, 80342), (3281, 61438), (3614, 55777), (3757, 53654), (4726, 42653), (5018, 40171), (6562, 30719), (7514, 26827)]