25036336

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 53916192

約数和(自身を除く): 28879856

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 169, 188, 197, 208, 338, 376, 394, 611, 676, 752, 788, 1222, 1352, 1576, 2444, 2561, 2704, 3152, 4888, 5122, 7943, 9259, 9776, 10244, 15886, 18518, 20488, 31772, 33293, 37036, 40976, 63544, 66586, 74072, 120367, 127088, 133172, 148144, 240734, 266344, 481468, 532688, 962936, 1564771, 1925872, 3129542, 6259084, 12518168, 25036336]

約数ペア:

[(1, 25036336), (2, 12518168), (4, 6259084), (8, 3129542), (13, 1925872), (16, 1564771), (26, 962936), (47, 532688), (52, 481468), (94, 266344), (104, 240734), (169, 148144), (188, 133172), (197, 127088), (208, 120367), (338, 74072), (376, 66586), (394, 63544), (611, 40976), (676, 37036), (752, 33293), (788, 31772), (1222, 20488), (1352, 18518), (1576, 15886), (2444, 10244), (2561, 9776), (2704, 9259), (3152, 7943), (4888, 5122)]