197897508

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 521801280

約数和(自身を除く): 323903772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 131, 174, 261, 262, 348, 393, 522, 524, 786, 1044, 1179, 1447, 1572, 2358, 2894, 3799, 4341, 4716, 5788, 7598, 8682, 11397, 13023, 15196, 17364, 22794, 26046, 34191, 41963, 45588, 52092, 68382, 83926, 125889, 136764, 167852, 189557, 251778, 377667, 379114, 503556, 568671, 755334, 758228, 1137342, 1510668, 1706013, 2274684, 3412026, 5497153, 6824052, 10994306, 16491459, 21988612, 32982918, 49474377, 65965836, 98948754, 197897508]

約数ペア:

[(1, 197897508), (2, 98948754), (3, 65965836), (4, 49474377), (6, 32982918), (9, 21988612), (12, 16491459), (18, 10994306), (29, 6824052), (36, 5497153), (58, 3412026), (87, 2274684), (116, 1706013), (131, 1510668), (174, 1137342), (261, 758228), (262, 755334), (348, 568671), (393, 503556), (522, 379114), (524, 377667), (786, 251778), (1044, 189557), (1179, 167852), (1447, 136764), (1572, 125889), (2358, 83926), (2894, 68382), (3799, 52092), (4341, 45588), (4716, 41963), (5788, 34191), (7598, 26046), (8682, 22794), (11397, 17364), (13023, 15196)]