78123248

素因数分解:

$2^4\times 7^2\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:670

約数の個数: 60

約数和(自身を含む): 177223032

約数和(自身を除く): 99099784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 251, 392, 397, 502, 784, 794, 1004, 1588, 1757, 2008, 2779, 3176, 3514, 4016, 5558, 6352, 7028, 11116, 12299, 14056, 19453, 22232, 24598, 28112, 38906, 44464, 49196, 77812, 98392, 99647, 155624, 196784, 199294, 311248, 398588, 697529, 797176, 1395058, 1594352, 2790116, 4882703, 5580232, 9765406, 11160464, 19530812, 39061624, 78123248]

約数ペア:

[(1, 78123248), (2, 39061624), (4, 19530812), (7, 11160464), (8, 9765406), (14, 5580232), (16, 4882703), (28, 2790116), (49, 1594352), (56, 1395058), (98, 797176), (112, 697529), (196, 398588), (251, 311248), (392, 199294), (397, 196784), (502, 155624), (784, 99647), (794, 98392), (1004, 77812), (1588, 49196), (1757, 44464), (2008, 38906), (2779, 28112), (3176, 24598), (3514, 22232), (4016, 19453), (5558, 14056), (6352, 12299), (7028, 11116)]