8920156

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 18443376

約数和(自身を除く): 9523220

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 641, 994, 1282, 1988, 2564, 3479, 4487, 6958, 8974, 13916, 17948, 31409, 45511, 62818, 91022, 125636, 182044, 318577, 637154, 1274308, 2230039, 4460078, 8920156]

約数ペア:

[(1, 8920156), (2, 4460078), (4, 2230039), (7, 1274308), (14, 637154), (28, 318577), (49, 182044), (71, 125636), (98, 91022), (142, 62818), (196, 45511), (284, 31409), (497, 17948), (641, 13916), (994, 8974), (1282, 6958), (1988, 4487), (2564, 3479)]