64963318

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 120657600

約数和(自身を除く): 55694282

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 139, 251, 266, 278, 502, 931, 973, 1757, 1862, 1946, 2641, 3514, 4769, 5282, 6811, 9538, 12299, 13622, 18487, 24598, 33383, 34889, 36974, 66766, 69778, 129409, 233681, 244223, 258818, 467362, 488446, 662891, 1325782, 1709561, 3419122, 4640237, 9280474, 32481659, 64963318]

約数ペア:

[(1, 64963318), (2, 32481659), (7, 9280474), (14, 4640237), (19, 3419122), (38, 1709561), (49, 1325782), (98, 662891), (133, 488446), (139, 467362), (251, 258818), (266, 244223), (278, 233681), (502, 129409), (931, 69778), (973, 66766), (1757, 36974), (1862, 34889), (1946, 33383), (2641, 24598), (3514, 18487), (4769, 13622), (5282, 12299), (6811, 9538)]