2107690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 4225536

約数和(自身を除く): 2117846

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 523, 806, 1046, 2015, 2615, 4030, 5230, 6799, 13598, 16213, 32426, 33995, 67990, 81065, 162130, 210769, 421538, 1053845, 2107690]

約数ペア:

[(1, 2107690), (2, 1053845), (5, 421538), (10, 210769), (13, 162130), (26, 81065), (31, 67990), (62, 33995), (65, 32426), (130, 16213), (155, 13598), (310, 6799), (403, 5230), (523, 4030), (806, 2615), (1046, 2015)]