664403992

素因数分解:

$2^3\times 7^1\times {\mathrm{653}}^1\times {\mathrm{18169}}^1$

素因数の和:18835

約数の個数: 32

約数和(自身を含む): 1425981600

約数和(自身を除く): 761577608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 653, 1306, 2612, 4571, 5224, 9142, 18169, 18284, 36338, 36568, 72676, 127183, 145352, 254366, 508732, 1017464, 11864357, 23728714, 47457428, 83050499, 94914856, 166100998, 332201996, 664403992]

約数ペア:

[(1, 664403992), (2, 332201996), (4, 166100998), (7, 94914856), (8, 83050499), (14, 47457428), (28, 23728714), (56, 11864357), (653, 1017464), (1306, 508732), (2612, 254366), (4571, 145352), (5224, 127183), (9142, 72676), (18169, 36568), (18284, 36338)]