641005055

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 823011840

約数和(自身を除く): 182006785

約数列:

[1, 5, 23, 53, 115, 251, 265, 419, 1219, 1255, 2095, 5773, 6095, 9637, 13303, 22207, 28865, 48185, 66515, 105169, 111035, 305969, 510761, 525845, 1529845, 2418887, 2553805, 5573957, 12094435, 27869785, 128201011, 641005055]

約数ペア:

[(1, 641005055), (5, 128201011), (23, 27869785), (53, 12094435), (115, 5573957), (251, 2553805), (265, 2418887), (419, 1529845), (1219, 525845), (1255, 510761), (2095, 305969), (5773, 111035), (6095, 105169), (9637, 66515), (13303, 48185), (22207, 28865)]