280939465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{5651}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 344817216

約数和(自身を除く): 63877751

約数列:

[1, 5, 61, 163, 305, 815, 5651, 9943, 28255, 49715, 344711, 921113, 1723555, 4605565, 56187893, 280939465]

約数ペア:

[(1, 280939465), (5, 56187893), (61, 4605565), (163, 1723555), (305, 921113), (815, 344711), (5651, 49715), (9943, 28255)]