639421934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{11549}}^1$

素因数の和:11648

約数の個数: 32

約数和(自身を含む): 1064448000

約数和(自身を除く): 425026066

約数列:

[1, 2, 19, 31, 38, 47, 62, 94, 589, 893, 1178, 1457, 1786, 2914, 11549, 23098, 27683, 55366, 219431, 358019, 438862, 542803, 716038, 1085606, 6802361, 10313257, 13604722, 16826893, 20626514, 33653786, 319710967, 639421934]

約数ペア:

[(1, 639421934), (2, 319710967), (19, 33653786), (31, 20626514), (38, 16826893), (47, 13604722), (62, 10313257), (94, 6802361), (589, 1085606), (893, 716038), (1178, 542803), (1457, 438862), (1786, 358019), (2914, 219431), (11549, 55366), (23098, 27683)]