66648616

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 128618280

約数和(自身を除く): 61969664

約数列:

[1, 2, 4, 8, 41, 82, 164, 317, 328, 634, 641, 1268, 1282, 2536, 2564, 5128, 12997, 25994, 26281, 51988, 52562, 103976, 105124, 203197, 210248, 406394, 812788, 1625576, 8331077, 16662154, 33324308, 66648616]

約数ペア:

[(1, 66648616), (2, 33324308), (4, 16662154), (8, 8331077), (41, 1625576), (82, 812788), (164, 406394), (317, 210248), (328, 203197), (634, 105124), (641, 103976), (1268, 52562), (1282, 51988), (2536, 26281), (2564, 25994), (5128, 12997)]