27997216

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 61979904

約数和(自身を除く): 33982688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 167, 169, 208, 248, 334, 338, 403, 416, 496, 668, 676, 806, 992, 1336, 1352, 1612, 2171, 2672, 2704, 3224, 4342, 5177, 5239, 5344, 5408, 6448, 8684, 10354, 10478, 12896, 17368, 20708, 20956, 28223, 34736, 41416, 41912, 56446, 67301, 69472, 82832, 83824, 112892, 134602, 165664, 167648, 225784, 269204, 451568, 538408, 874913, 903136, 1076816, 1749826, 2153632, 3499652, 6999304, 13998608, 27997216]

約数ペア:

[(1, 27997216), (2, 13998608), (4, 6999304), (8, 3499652), (13, 2153632), (16, 1749826), (26, 1076816), (31, 903136), (32, 874913), (52, 538408), (62, 451568), (104, 269204), (124, 225784), (167, 167648), (169, 165664), (208, 134602), (248, 112892), (334, 83824), (338, 82832), (403, 69472), (416, 67301), (496, 56446), (668, 41912), (676, 41416), (806, 34736), (992, 28223), (1336, 20956), (1352, 20708), (1612, 17368), (2171, 12896), (2672, 10478), (2704, 10354), (3224, 8684), (4342, 6448), (5177, 5408), (5239, 5344)]