198309890

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{75403}}^1$

素因数の和:75673

約数の個数: 16

約数和(自身を含む): 358319808

約数和(自身を除く): 160009918

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 75403, 150806, 377015, 754030, 19830989, 39661978, 99154945, 198309890]

約数ペア:

[(1, 198309890), (2, 99154945), (5, 39661978), (10, 19830989), (263, 754030), (526, 377015), (1315, 150806), (2630, 75403)]