68669408

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 138991104

約数和(自身を除く): 70321696

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 127, 244, 254, 277, 488, 508, 554, 976, 1016, 1108, 1952, 2032, 2216, 4064, 4432, 7747, 8864, 15494, 16897, 30988, 33794, 35179, 61976, 67588, 70358, 123952, 135176, 140716, 247904, 270352, 281432, 540704, 562864, 1125728, 2145919, 4291838, 8583676, 17167352, 34334704, 68669408]

約数ペア:

[(1, 68669408), (2, 34334704), (4, 17167352), (8, 8583676), (16, 4291838), (32, 2145919), (61, 1125728), (122, 562864), (127, 540704), (244, 281432), (254, 270352), (277, 247904), (488, 140716), (508, 135176), (554, 123952), (976, 70358), (1016, 67588), (1108, 61976), (1952, 35179), (2032, 33794), (2216, 30988), (4064, 16897), (4432, 15494), (7747, 8864)]