1390304864

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{8293}}^1$

素因数の和:8360

約数の個数: 72

約数和(自身を含む): 3059888832

約数和(自身を除く): 1669583968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 992, 1352, 1612, 2704, 3224, 5239, 5408, 6448, 8293, 10478, 12896, 16586, 20956, 33172, 41912, 66344, 83824, 107809, 132688, 167648, 215618, 257083, 265376, 431236, 514166, 862472, 1028332, 1401517, 1724944, 2056664, 2803034, 3342079, 3449888, 4113328, 5606068, 6684158, 8226656, 11212136, 13368316, 22424272, 26736632, 43447027, 44848544, 53473264, 86894054, 106946528, 173788108, 347576216, 695152432, 1390304864]

約数ペア:

[(1, 1390304864), (2, 695152432), (4, 347576216), (8, 173788108), (13, 106946528), (16, 86894054), (26, 53473264), (31, 44848544), (32, 43447027), (52, 26736632), (62, 22424272), (104, 13368316), (124, 11212136), (169, 8226656), (208, 6684158), (248, 5606068), (338, 4113328), (403, 3449888), (416, 3342079), (496, 2803034), (676, 2056664), (806, 1724944), (992, 1401517), (1352, 1028332), (1612, 862472), (2704, 514166), (3224, 431236), (5239, 265376), (5408, 257083), (6448, 215618), (8293, 167648), (10478, 132688), (12896, 107809), (16586, 83824), (20956, 66344), (33172, 41912)]