249648496

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{219761}}^1$

素因数の和:219840

約数の個数: 20

約数和(自身を含む): 490508784

約数和(自身を除く): 240860288

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 219761, 439522, 879044, 1758088, 3516176, 15603031, 31206062, 62412124, 124824248, 249648496]

約数ペア:

[(1, 249648496), (2, 124824248), (4, 62412124), (8, 31206062), (16, 15603031), (71, 3516176), (142, 1758088), (284, 879044), (568, 439522), (1136, 219761)]