808216688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{20149}}^1$

素因数の和:20289

約数の個数: 40

約数和(自身を含む): 1649076000

約数和(自身を除く): 840859312

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 872, 1744, 2507, 5014, 10028, 20056, 20149, 40112, 40298, 80596, 161192, 322384, 463427, 926854, 1853708, 2196241, 3707416, 4392482, 7414832, 8784964, 17569928, 35139856, 50513543, 101027086, 202054172, 404108344, 808216688]

約数ペア:

[(1, 808216688), (2, 404108344), (4, 202054172), (8, 101027086), (16, 50513543), (23, 35139856), (46, 17569928), (92, 8784964), (109, 7414832), (184, 4392482), (218, 3707416), (368, 2196241), (436, 1853708), (872, 926854), (1744, 463427), (2507, 322384), (5014, 161192), (10028, 80596), (20056, 40298), (20149, 40112)]