87289912

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 166486320

約数和(自身を除く): 79196408

約数列:

[1, 2, 4, 8, 97, 194, 197, 388, 394, 571, 776, 788, 1142, 1576, 2284, 4568, 19109, 38218, 55387, 76436, 110774, 112487, 152872, 221548, 224974, 443096, 449948, 899896, 10911239, 21822478, 43644956, 87289912]

約数ペア:

[(1, 87289912), (2, 43644956), (4, 21822478), (8, 10911239), (97, 899896), (194, 449948), (197, 443096), (388, 224974), (394, 221548), (571, 152872), (776, 112487), (788, 110774), (1142, 76436), (1576, 55387), (2284, 38218), (4568, 19109)]