1397010784

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 3080367360

約数和(自身を除く): 1683356576

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 641, 676, 806, 992, 1282, 1352, 1612, 2197, 2564, 2704, 3224, 4394, 5128, 5239, 5408, 6448, 8333, 8788, 10256, 10478, 12896, 16666, 17576, 19871, 20512, 20956, 33332, 35152, 39742, 41912, 66664, 68107, 70304, 79484, 83824, 108329, 133328, 136214, 158968, 167648, 216658, 258323, 266656, 272428, 317936, 433316, 516646, 544856, 635872, 866632, 1033292, 1089712, 1408277, 1733264, 2066584, 2179424, 2816554, 3358199, 3466528, 4133168, 5633108, 6716398, 8266336, 11266216, 13432796, 22532432, 26865592, 43656587, 45064864, 53731184, 87313174, 107462368, 174626348, 349252696, 698505392, 1397010784]

約数ペア:

[(1, 1397010784), (2, 698505392), (4, 349252696), (8, 174626348), (13, 107462368), (16, 87313174), (26, 53731184), (31, 45064864), (32, 43656587), (52, 26865592), (62, 22532432), (104, 13432796), (124, 11266216), (169, 8266336), (208, 6716398), (248, 5633108), (338, 4133168), (403, 3466528), (416, 3358199), (496, 2816554), (641, 2179424), (676, 2066584), (806, 1733264), (992, 1408277), (1282, 1089712), (1352, 1033292), (1612, 866632), (2197, 635872), (2564, 544856), (2704, 516646), (3224, 433316), (4394, 317936), (5128, 272428), (5239, 266656), (5408, 258323), (6448, 216658), (8333, 167648), (8788, 158968), (10256, 136214), (10478, 133328), (12896, 108329), (16666, 83824), (17576, 79484), (19871, 70304), (20512, 68107), (20956, 66664), (33332, 41912), (35152, 39742)]