206519210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{666191}}^1$

素因数の和:666229

約数の個数: 16

約数和(自身を含む): 383726592

約数和(自身を除く): 177207382

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 666191, 1332382, 3330955, 6661910, 20651921, 41303842, 103259605, 206519210]

約数ペア:

[(1, 206519210), (2, 103259605), (5, 41303842), (10, 20651921), (31, 6661910), (62, 3330955), (155, 1332382), (310, 666191)]