405460399

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 456468480

約数和(自身を除く): 51008081

約数列:

[1, 19, 23, 47, 361, 437, 893, 1039, 1081, 8303, 16967, 19741, 20539, 23897, 48833, 375079, 390241, 454043, 927827, 1123159, 8626817, 17628713, 21340021, 405460399]

約数ペア:

[(1, 405460399), (19, 21340021), (23, 17628713), (47, 8626817), (361, 1123159), (437, 927827), (893, 454043), (1039, 390241), (1081, 375079), (8303, 48833), (16967, 23897), (19741, 20539)]