201749990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9521}}^1$

素因数の和:9704

約数の個数: 32

約数和(自身を含む): 393525216

約数和(自身を除く): 191775226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 9521, 10595, 19042, 21190, 47605, 95210, 123773, 247546, 618865, 1237730, 1551923, 3103846, 7759615, 15519230, 20174999, 40349998, 100874995, 201749990]

約数ペア:

[(1, 201749990), (2, 100874995), (5, 40349998), (10, 20174999), (13, 15519230), (26, 7759615), (65, 3103846), (130, 1551923), (163, 1237730), (326, 618865), (815, 247546), (1630, 123773), (2119, 95210), (4238, 47605), (9521, 21190), (10595, 19042)]