64898416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 137634048

約数和(自身を除く): 72735632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 491, 751, 982, 1502, 1964, 3004, 3928, 5401, 6008, 7856, 8261, 10802, 12016, 16522, 21604, 33044, 43208, 66088, 86416, 132176, 368741, 737482, 1474964, 2949928, 4056151, 5899856, 8112302, 16224604, 32449208, 64898416]

約数ペア:

[(1, 64898416), (2, 32449208), (4, 16224604), (8, 8112302), (11, 5899856), (16, 4056151), (22, 2949928), (44, 1474964), (88, 737482), (176, 368741), (491, 132176), (751, 86416), (982, 66088), (1502, 43208), (1964, 33044), (3004, 21604), (3928, 16522), (5401, 12016), (6008, 10802), (7856, 8261)]