491492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 940800

約数和(自身を除く): 449308

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 223, 446, 551, 892, 1102, 2204, 4237, 6467, 8474, 12934, 16948, 25868, 122873, 245746, 491492]

約数ペア:

[(1, 491492), (2, 245746), (4, 122873), (19, 25868), (29, 16948), (38, 12934), (58, 8474), (76, 6467), (116, 4237), (223, 2204), (446, 1102), (551, 892)]