142788365

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 181880160

約数和(自身を除く): 39091795

約数列:

[1, 5, 37, 73, 97, 109, 185, 365, 485, 545, 2701, 3589, 4033, 7081, 7957, 10573, 13505, 17945, 20165, 35405, 39785, 52865, 261997, 294409, 391201, 771829, 1309985, 1472045, 1956005, 3859145, 28557673, 142788365]

約数ペア:

[(1, 142788365), (5, 28557673), (37, 3859145), (73, 1956005), (97, 1472045), (109, 1309985), (185, 771829), (365, 391201), (485, 294409), (545, 261997), (2701, 52865), (3589, 39785), (4033, 35405), (7081, 20165), (7957, 17945), (10573, 13505)]