247487521

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 279586944

約数和(自身を除く): 32099423

約数列:

[1, 19, 23, 41, 361, 437, 727, 779, 943, 8303, 13813, 14801, 16721, 17917, 29807, 262447, 317699, 340423, 566333, 685561, 6036281, 10760327, 13025659, 247487521]

約数ペア:

[(1, 247487521), (19, 13025659), (23, 10760327), (41, 6036281), (361, 685561), (437, 566333), (727, 340423), (779, 317699), (943, 262447), (8303, 29807), (13813, 17917), (14801, 16721)]