774478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 16

約数和(自身を含む): 1242000

約数和(自身を除く): 467522

約数列:

[1, 2, 19, 38, 89, 178, 229, 458, 1691, 3382, 4351, 8702, 20381, 40762, 387239, 774478]

約数ペア:

[(1, 774478), (2, 387239), (19, 40762), (38, 20381), (89, 8702), (178, 4351), (229, 3382), (458, 1691)]