138909722

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 263208960

約数和(自身を除く): 124299238

約数列:

[1, 2, 7, 14, 19, 38, 41, 47, 82, 94, 133, 266, 271, 287, 329, 542, 574, 658, 779, 893, 1558, 1786, 1897, 1927, 3794, 3854, 5149, 5453, 6251, 10298, 10906, 11111, 12502, 12737, 13489, 22222, 25474, 26978, 36043, 36613, 72086, 73226, 77777, 89159, 155554, 178318, 211109, 242003, 256291, 422218, 484006, 512582, 522217, 1044434, 1477763, 1694021, 2955526, 3388042, 3655519, 7311038, 9922123, 19844246, 69454861, 138909722]

約数ペア:

[(1, 138909722), (2, 69454861), (7, 19844246), (14, 9922123), (19, 7311038), (38, 3655519), (41, 3388042), (47, 2955526), (82, 1694021), (94, 1477763), (133, 1044434), (266, 522217), (271, 512582), (287, 484006), (329, 422218), (542, 256291), (574, 242003), (658, 211109), (779, 178318), (893, 155554), (1558, 89159), (1786, 77777), (1897, 73226), (1927, 72086), (3794, 36613), (3854, 36043), (5149, 26978), (5453, 25474), (6251, 22222), (10298, 13489), (10906, 12737), (11111, 12502)]