28157868

素因数分解:

$2^2\times 3^5\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 75216960

約数和(自身を除く): 47059092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 243, 324, 354, 486, 491, 531, 708, 972, 982, 1062, 1473, 1593, 1964, 2124, 2946, 3186, 4419, 4779, 5892, 6372, 8838, 9558, 13257, 14337, 17676, 19116, 26514, 28674, 28969, 39771, 53028, 57348, 57938, 79542, 86907, 115876, 119313, 159084, 173814, 238626, 260721, 347628, 477252, 521442, 782163, 1042884, 1564326, 2346489, 3128652, 4692978, 7039467, 9385956, 14078934, 28157868]

約数ペア:

[(1, 28157868), (2, 14078934), (3, 9385956), (4, 7039467), (6, 4692978), (9, 3128652), (12, 2346489), (18, 1564326), (27, 1042884), (36, 782163), (54, 521442), (59, 477252), (81, 347628), (108, 260721), (118, 238626), (162, 173814), (177, 159084), (236, 119313), (243, 115876), (324, 86907), (354, 79542), (486, 57938), (491, 57348), (531, 53028), (708, 39771), (972, 28969), (982, 28674), (1062, 26514), (1473, 19116), (1593, 17676), (1964, 14337), (2124, 13257), (2946, 9558), (3186, 8838), (4419, 6372), (4779, 5892)]