71248898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 64226302

約数列:

[1, 2, 7, 14, 19, 38, 41, 47, 82, 94, 133, 139, 266, 278, 287, 329, 574, 658, 779, 893, 973, 1558, 1786, 1927, 1946, 2641, 3854, 5282, 5453, 5699, 6251, 6533, 10906, 11398, 12502, 13066, 13489, 18487, 26978, 36613, 36974, 39893, 45731, 73226, 79786, 91462, 108281, 124127, 216562, 248254, 256291, 267853, 512582, 535706, 757967, 868889, 1515934, 1737778, 1874971, 3749942, 5089207, 10178414, 35624449, 71248898]

約数ペア:

[(1, 71248898), (2, 35624449), (7, 10178414), (14, 5089207), (19, 3749942), (38, 1874971), (41, 1737778), (47, 1515934), (82, 868889), (94, 757967), (133, 535706), (139, 512582), (266, 267853), (278, 256291), (287, 248254), (329, 216562), (574, 124127), (658, 108281), (779, 91462), (893, 79786), (973, 73226), (1558, 45731), (1786, 39893), (1927, 36974), (1946, 36613), (2641, 26978), (3854, 18487), (5282, 13489), (5453, 13066), (5699, 12502), (6251, 11398), (6533, 10906)]