31220546

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 55468800

約数和(自身を除く): 24248254

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 497, 641, 686, 994, 1282, 3479, 4487, 6958, 8974, 24353, 31409, 45511, 48706, 62818, 91022, 219863, 318577, 439726, 637154, 2230039, 4460078, 15610273, 31220546]

約数ペア:

[(1, 31220546), (2, 15610273), (7, 4460078), (14, 2230039), (49, 637154), (71, 439726), (98, 318577), (142, 219863), (343, 91022), (497, 62818), (641, 48706), (686, 45511), (994, 31409), (1282, 24353), (3479, 8974), (4487, 6958)]