31368428

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 54

約数和(自身を含む): 69220116

約数和(自身を除く): 37851688

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 947, 1183, 1274, 1894, 2366, 2548, 3788, 4732, 6629, 8281, 12311, 13258, 16562, 24622, 26516, 33124, 46403, 49244, 86177, 92806, 160043, 172354, 185612, 320086, 344708, 603239, 640172, 1120301, 1206478, 2240602, 2412956, 4481204, 7842107, 15684214, 31368428]

約数ペア:

[(1, 31368428), (2, 15684214), (4, 7842107), (7, 4481204), (13, 2412956), (14, 2240602), (26, 1206478), (28, 1120301), (49, 640172), (52, 603239), (91, 344708), (98, 320086), (169, 185612), (182, 172354), (196, 160043), (338, 92806), (364, 86177), (637, 49244), (676, 46403), (947, 33124), (1183, 26516), (1274, 24622), (1894, 16562), (2366, 13258), (2548, 12311), (3788, 8281), (4732, 6629)]