1680406

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1348

約数の個数: 24

約数和(自身を含む): 3160080

約数和(自身を除く): 1479674

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 1319, 2638, 9233, 17147, 18466, 34294, 64631, 120029, 129262, 240058, 840203, 1680406]

約数ペア:

[(1, 1680406), (2, 840203), (7, 240058), (13, 129262), (14, 120029), (26, 64631), (49, 34294), (91, 18466), (98, 17147), (182, 9233), (637, 2638), (1274, 1319)]