668640001

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 731268000

約数和(自身を除く): 62627999

約数列:

[1, 19, 47, 89, 179, 893, 1691, 2209, 3401, 4183, 8413, 15931, 41971, 79477, 159847, 196601, 302689, 395411, 748757, 3735419, 7512809, 14226383, 35191579, 668640001]

約数ペア:

[(1, 668640001), (19, 35191579), (47, 14226383), (89, 7512809), (179, 3735419), (893, 748757), (1691, 395411), (2209, 302689), (3401, 196601), (4183, 159847), (8413, 79477), (15931, 41971)]