213870811

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 59844389

約数列:

[1, 7, 11, 59, 77, 179, 263, 413, 649, 1253, 1841, 1969, 2893, 4543, 10561, 13783, 15517, 20251, 47077, 73927, 108619, 116171, 170687, 329539, 517847, 813197, 1194809, 2777543, 3624929, 19442801, 30552973, 213870811]

約数ペア:

[(1, 213870811), (7, 30552973), (11, 19442801), (59, 3624929), (77, 2777543), (179, 1194809), (263, 813197), (413, 517847), (649, 329539), (1253, 170687), (1841, 116171), (1969, 108619), (2893, 73927), (4543, 47077), (10561, 20251), (13783, 15517)]