257691364

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1201}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 527726080

約数和(自身を除く): 270034716

約数列:

[1, 2, 4, 7, 14, 28, 79, 97, 158, 194, 316, 388, 553, 679, 1106, 1201, 1358, 2212, 2402, 2716, 4804, 7663, 8407, 15326, 16814, 30652, 33628, 53641, 94879, 107282, 116497, 189758, 214564, 232994, 379516, 465988, 664153, 815479, 1328306, 1630958, 2656612, 3261916, 9203263, 18406526, 36813052, 64422841, 128845682, 257691364]

約数ペア:

[(1, 257691364), (2, 128845682), (4, 64422841), (7, 36813052), (14, 18406526), (28, 9203263), (79, 3261916), (97, 2656612), (158, 1630958), (194, 1328306), (316, 815479), (388, 664153), (553, 465988), (679, 379516), (1106, 232994), (1201, 214564), (1358, 189758), (2212, 116497), (2402, 107282), (2716, 94879), (4804, 53641), (7663, 33628), (8407, 30652), (15326, 16814)]