2557100847

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 4015654400

約数和(自身を除く): 1458553553

約数列:

[1, 3, 7, 21, 47, 141, 199, 277, 329, 597, 831, 987, 1393, 1939, 2209, 4179, 5817, 6627, 9353, 13019, 15463, 28059, 39057, 46389, 55123, 65471, 91133, 165369, 196413, 273399, 385861, 439591, 611893, 1157583, 1318773, 1835679, 2590781, 3077137, 4283251, 7772343, 9231411, 12849753, 18135467, 54406401, 121766707, 365300121, 852366949, 2557100847]

約数ペア:

[(1, 2557100847), (3, 852366949), (7, 365300121), (21, 121766707), (47, 54406401), (141, 18135467), (199, 12849753), (277, 9231411), (329, 7772343), (597, 4283251), (831, 3077137), (987, 2590781), (1393, 1835679), (1939, 1318773), (2209, 1157583), (4179, 611893), (5817, 439591), (6627, 385861), (9353, 273399), (13019, 196413), (15463, 165369), (28059, 91133), (39057, 65471), (46389, 55123)]