198778874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 369710208

約数和(自身を除く): 170931334

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 361, 518, 703, 722, 1063, 1406, 2126, 2527, 4921, 5054, 7441, 9842, 13357, 14882, 20197, 26714, 39331, 40394, 78662, 93499, 141379, 186998, 275317, 282758, 383743, 550634, 747289, 767486, 1494578, 2686201, 5231023, 5372402, 10462046, 14198491, 28396982, 99389437, 198778874]

約数ペア:

[(1, 198778874), (2, 99389437), (7, 28396982), (14, 14198491), (19, 10462046), (37, 5372402), (38, 5231023), (74, 2686201), (133, 1494578), (259, 767486), (266, 747289), (361, 550634), (518, 383743), (703, 282758), (722, 275317), (1063, 186998), (1406, 141379), (2126, 93499), (2527, 78662), (4921, 40394), (5054, 39331), (7441, 26714), (9842, 20197), (13357, 14882)]