81286544

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 161084928

約数和(自身を除く): 79798384

約数列:

[1, 2, 4, 8, 16, 67, 134, 191, 268, 382, 397, 536, 764, 794, 1072, 1528, 1588, 3056, 3176, 6352, 12797, 25594, 26599, 51188, 53198, 75827, 102376, 106396, 151654, 204752, 212792, 303308, 425584, 606616, 1213232, 5080409, 10160818, 20321636, 40643272, 81286544]

約数ペア:

[(1, 81286544), (2, 40643272), (4, 20321636), (8, 10160818), (16, 5080409), (67, 1213232), (134, 606616), (191, 425584), (268, 303308), (382, 212792), (397, 204752), (536, 151654), (764, 106396), (794, 102376), (1072, 75827), (1528, 53198), (1588, 51188), (3056, 26599), (3176, 25594), (6352, 12797)]