208425542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 371589120

約数和(自身を除く): 163163578

約数列:

[1, 2, 13, 17, 26, 34, 47, 79, 94, 127, 158, 221, 254, 442, 611, 799, 1027, 1222, 1343, 1598, 1651, 2054, 2159, 2686, 3302, 3713, 4318, 5969, 7426, 10033, 10387, 11938, 17459, 20066, 20774, 28067, 34918, 48269, 56134, 63121, 77597, 96538, 101473, 126242, 130429, 155194, 170561, 202946, 260858, 341122, 471551, 820573, 943102, 1319149, 1641146, 2217293, 2638298, 4434586, 6130163, 8016367, 12260326, 16032734, 104212771, 208425542]

約数ペア:

[(1, 208425542), (2, 104212771), (13, 16032734), (17, 12260326), (26, 8016367), (34, 6130163), (47, 4434586), (79, 2638298), (94, 2217293), (127, 1641146), (158, 1319149), (221, 943102), (254, 820573), (442, 471551), (611, 341122), (799, 260858), (1027, 202946), (1222, 170561), (1343, 155194), (1598, 130429), (1651, 126242), (2054, 101473), (2159, 96538), (2686, 77597), (3302, 63121), (3713, 56134), (4318, 48269), (5969, 34918), (7426, 28067), (10033, 20774), (10387, 20066), (11938, 17459)]