320723396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2447}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 666796032

約数和(自身を除く): 346072636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 151, 217, 302, 434, 604, 868, 1057, 2114, 2447, 4228, 4681, 4894, 9362, 9788, 17129, 18724, 32767, 34258, 65534, 68516, 75857, 131068, 151714, 303428, 369497, 530999, 738994, 1061998, 1477988, 2123996, 2586479, 5172958, 10345916, 11454407, 22908814, 45817628, 80180849, 160361698, 320723396]

約数ペア:

[(1, 320723396), (2, 160361698), (4, 80180849), (7, 45817628), (14, 22908814), (28, 11454407), (31, 10345916), (62, 5172958), (124, 2586479), (151, 2123996), (217, 1477988), (302, 1061998), (434, 738994), (604, 530999), (868, 369497), (1057, 303428), (2114, 151714), (2447, 131068), (4228, 75857), (4681, 68516), (4894, 65534), (9362, 34258), (9788, 32767), (17129, 18724)]