71212816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 142892640

約数和(自身を除く): 71679824

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1163, 1424, 2326, 3827, 4652, 7654, 9304, 15308, 18608, 30616, 50009, 61232, 100018, 103507, 200036, 207014, 400072, 414028, 800144, 828056, 1656112, 4450801, 8901602, 17803204, 35606408, 71212816]

約数ペア:

[(1, 71212816), (2, 35606408), (4, 17803204), (8, 8901602), (16, 4450801), (43, 1656112), (86, 828056), (89, 800144), (172, 414028), (178, 400072), (344, 207014), (356, 200036), (688, 103507), (712, 100018), (1163, 61232), (1424, 50009), (2326, 30616), (3827, 18608), (4652, 15308), (7654, 9304)]