664290438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{38671}}^1$

素因数の和:39092

約数の個数: 32

約数和(自身を含む): 1522129920

約数和(自身を除く): 857839482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 409, 818, 1227, 2454, 2863, 5726, 8589, 17178, 38671, 77342, 116013, 232026, 270697, 541394, 812091, 1624182, 15816439, 31632878, 47449317, 94898634, 110715073, 221430146, 332145219, 664290438]

約数ペア:

[(1, 664290438), (2, 332145219), (3, 221430146), (6, 110715073), (7, 94898634), (14, 47449317), (21, 31632878), (42, 15816439), (409, 1624182), (818, 812091), (1227, 541394), (2454, 270697), (2863, 232026), (5726, 116013), (8589, 77342), (17178, 38671)]