394140448

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2418

約数の個数: 72

約数和(自身を含む): 867718656

約数和(自身を除く): 473578208

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, 2351, 2704, 3224, 4702, 5239, 5408, 6448, 9404, 10478, 12896, 18808, 20956, 30563, 37616, 41912, 61126, 72881, 75232, 83824, 122252, 145762, 167648, 244504, 291524, 397319, 489008, 583048, 794638, 947453, 978016, 1166096, 1589276, 1894906, 2332192, 3178552, 3789812, 6357104, 7579624, 12316889, 12714208, 15159248, 24633778, 30318496, 49267556, 98535112, 197070224, 394140448]

約数ペア:

[(1, 394140448), (2, 197070224), (4, 98535112), (8, 49267556), (13, 30318496), (16, 24633778), (26, 15159248), (31, 12714208), (32, 12316889), (52, 7579624), (62, 6357104), (104, 3789812), (124, 3178552), (169, 2332192), (208, 1894906), (248, 1589276), (338, 1166096), (403, 978016), (416, 947453), (496, 794638), (676, 583048), (806, 489008), (992, 397319), (1352, 291524), (1612, 244504), (2351, 167648), (2704, 145762), (3224, 122252), (4702, 83824), (5239, 75232), (5408, 72881), (6448, 61126), (9404, 41912), (10478, 37616), (12896, 30563), (18808, 20956)]