12518168

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 26088480

約数和(自身を除く): 13570312

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 197, 338, 376, 394, 611, 676, 788, 1222, 1352, 1576, 2444, 2561, 4888, 5122, 7943, 9259, 10244, 15886, 18518, 20488, 31772, 33293, 37036, 63544, 66586, 74072, 120367, 133172, 240734, 266344, 481468, 962936, 1564771, 3129542, 6259084, 12518168]

約数ペア:

[(1, 12518168), (2, 6259084), (4, 3129542), (8, 1564771), (13, 962936), (26, 481468), (47, 266344), (52, 240734), (94, 133172), (104, 120367), (169, 74072), (188, 66586), (197, 63544), (338, 37036), (376, 33293), (394, 31772), (611, 20488), (676, 18518), (788, 15886), (1222, 10244), (1352, 9259), (1576, 7943), (2444, 5122), (2561, 4888)]