681256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 1370880

約数和(自身を除く): 689624

約数列:

[1, 2, 4, 8, 31, 41, 62, 67, 82, 124, 134, 164, 248, 268, 328, 536, 1271, 2077, 2542, 2747, 4154, 5084, 5494, 8308, 10168, 10988, 16616, 21976, 85157, 170314, 340628, 681256]

約数ペア:

[(1, 681256), (2, 340628), (4, 170314), (8, 85157), (31, 21976), (41, 16616), (62, 10988), (67, 10168), (82, 8308), (124, 5494), (134, 5084), (164, 4154), (248, 2747), (268, 2542), (328, 2077), (536, 1271)]