67810316

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 147470400

約数和(自身を除く): 79660084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 131, 133, 139, 196, 262, 266, 278, 524, 532, 556, 917, 931, 973, 1834, 1862, 1946, 2489, 2641, 3668, 3724, 3892, 4978, 5282, 6419, 6811, 9956, 10564, 12838, 13622, 17423, 18209, 18487, 25676, 27244, 34846, 36418, 36974, 69692, 72836, 73948, 121961, 127463, 129409, 243922, 254926, 258818, 345971, 487844, 509852, 517636, 691942, 892241, 1383884, 1784482, 2421797, 3568964, 4843594, 9687188, 16952579, 33905158, 67810316]

約数ペア:

[(1, 67810316), (2, 33905158), (4, 16952579), (7, 9687188), (14, 4843594), (19, 3568964), (28, 2421797), (38, 1784482), (49, 1383884), (76, 892241), (98, 691942), (131, 517636), (133, 509852), (139, 487844), (196, 345971), (262, 258818), (266, 254926), (278, 243922), (524, 129409), (532, 127463), (556, 121961), (917, 73948), (931, 72836), (973, 69692), (1834, 36974), (1862, 36418), (1946, 34846), (2489, 27244), (2641, 25676), (3668, 18487), (3724, 18209), (3892, 17423), (4978, 13622), (5282, 12838), (6419, 10564), (6811, 9956)]