57720964

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 119218176

約数和(自身を除く): 61497212

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 191, 251, 301, 382, 502, 602, 764, 1004, 1204, 1337, 1757, 2674, 3514, 5348, 7028, 8213, 10793, 16426, 21586, 32852, 43172, 47941, 57491, 75551, 95882, 114982, 151102, 191764, 229964, 302204, 335587, 671174, 1342348, 2061463, 4122926, 8245852, 14430241, 28860482, 57720964]

約数ペア:

[(1, 57720964), (2, 28860482), (4, 14430241), (7, 8245852), (14, 4122926), (28, 2061463), (43, 1342348), (86, 671174), (172, 335587), (191, 302204), (251, 229964), (301, 191764), (382, 151102), (502, 114982), (602, 95882), (764, 75551), (1004, 57491), (1204, 47941), (1337, 43172), (1757, 32852), (2674, 21586), (3514, 16426), (5348, 10793), (7028, 8213)]