7131387284

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{172439}}^1$

素因数の和:172668

約数の個数: 36

約数和(自身を含む): 14586354720

約数和(自身を除く): 7454967436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 2954, 5908, 10339, 20678, 41356, 172439, 344878, 689756, 1207073, 2414146, 4828292, 8449511, 16899022, 33798044, 36384629, 72769258, 145538516, 254692403, 509384806, 1018769612, 1782846821, 3565693642, 7131387284]

約数ペア:

[(1, 7131387284), (2, 3565693642), (4, 1782846821), (7, 1018769612), (14, 509384806), (28, 254692403), (49, 145538516), (98, 72769258), (196, 36384629), (211, 33798044), (422, 16899022), (844, 8449511), (1477, 4828292), (2954, 2414146), (5908, 1207073), (10339, 689756), (20678, 344878), (41356, 172439)]