65821990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16333}}^1$

素因数の和:16384

約数の個数: 32

約数和(自身を含む): 131717376

約数和(自身を除く): 65895386

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16333, 32666, 81665, 163330, 212329, 424658, 506323, 1012646, 1061645, 2123290, 2531615, 5063230, 6582199, 13164398, 32910995, 65821990]

約数ペア:

[(1, 65821990), (2, 32910995), (5, 13164398), (10, 6582199), (13, 5063230), (26, 2531615), (31, 2123290), (62, 1061645), (65, 1012646), (130, 506323), (155, 424658), (310, 212329), (403, 163330), (806, 81665), (2015, 32666), (4030, 16333)]