238559984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1871}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 498843072

約数和(自身を除く): 260283088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 613, 1226, 1871, 2452, 3742, 4904, 7484, 7969, 9808, 14968, 15938, 24323, 29936, 31876, 48646, 63752, 97292, 127504, 194584, 389168, 1146923, 2293846, 4587692, 9175384, 14909999, 18350768, 29819998, 59639996, 119279992, 238559984]

約数ペア:

[(1, 238559984), (2, 119279992), (4, 59639996), (8, 29819998), (13, 18350768), (16, 14909999), (26, 9175384), (52, 4587692), (104, 2293846), (208, 1146923), (613, 389168), (1226, 194584), (1871, 127504), (2452, 97292), (3742, 63752), (4904, 48646), (7484, 31876), (7969, 29936), (9808, 24323), (14968, 15938)]