65978864

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2347}}^1$

素因数の和:2613

約数の個数: 40

約数和(自身を含む): 146740608

約数和(自身を除く): 80761744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 1004, 1757, 2008, 2347, 3514, 4016, 4694, 7028, 9388, 14056, 16429, 18776, 28112, 32858, 37552, 65716, 131432, 262864, 589097, 1178194, 2356388, 4123679, 4712776, 8247358, 9425552, 16494716, 32989432, 65978864]

約数ペア:

[(1, 65978864), (2, 32989432), (4, 16494716), (7, 9425552), (8, 8247358), (14, 4712776), (16, 4123679), (28, 2356388), (56, 1178194), (112, 589097), (251, 262864), (502, 131432), (1004, 65716), (1757, 37552), (2008, 32858), (2347, 28112), (3514, 18776), (4016, 16429), (4694, 14056), (7028, 9388)]