129138228

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 332972640

約数和(自身を除く): 203834412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 139, 197, 262, 278, 393, 394, 417, 524, 556, 591, 786, 788, 834, 1179, 1182, 1251, 1572, 1668, 1773, 2358, 2364, 2502, 3546, 4716, 5004, 7092, 18209, 25807, 27383, 36418, 51614, 54627, 54766, 72836, 77421, 82149, 103228, 109254, 109532, 154842, 163881, 164298, 218508, 232263, 246447, 309684, 327762, 328596, 464526, 492894, 655524, 929052, 985788, 3587173, 7174346, 10761519, 14348692, 21523038, 32284557, 43046076, 64569114, 129138228]

約数ペア:

[(1, 129138228), (2, 64569114), (3, 43046076), (4, 32284557), (6, 21523038), (9, 14348692), (12, 10761519), (18, 7174346), (36, 3587173), (131, 985788), (139, 929052), (197, 655524), (262, 492894), (278, 464526), (393, 328596), (394, 327762), (417, 309684), (524, 246447), (556, 232263), (591, 218508), (786, 164298), (788, 163881), (834, 154842), (1179, 109532), (1182, 109254), (1251, 103228), (1572, 82149), (1668, 77421), (1773, 72836), (2358, 54766), (2364, 54627), (2502, 51614), (3546, 36418), (4716, 27383), (5004, 25807), (7092, 18209)]