263788133

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 330640128

約数和(自身を除く): 66851995

約数列:

[1, 7, 17, 37, 119, 181, 259, 331, 629, 1267, 2317, 3077, 4403, 5627, 6697, 12247, 21539, 39389, 46879, 59911, 85729, 113849, 208199, 419377, 796943, 1018487, 1457393, 2216707, 7129409, 15516949, 37684019, 263788133]

約数ペア:

[(1, 263788133), (7, 37684019), (17, 15516949), (37, 7129409), (119, 2216707), (181, 1457393), (259, 1018487), (331, 796943), (629, 419377), (1267, 208199), (2317, 113849), (3077, 85729), (4403, 59911), (5627, 46879), (6697, 39389), (12247, 21539)]