28637892

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 74911200

約数和(自身を除く): 46273308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 97, 118, 139, 177, 194, 236, 278, 291, 354, 388, 417, 531, 556, 582, 708, 834, 873, 1062, 1164, 1251, 1668, 1746, 2124, 2502, 3492, 5004, 5723, 8201, 11446, 13483, 16402, 17169, 22892, 24603, 26966, 32804, 34338, 40449, 49206, 51507, 53932, 68676, 73809, 80898, 98412, 103014, 121347, 147618, 161796, 206028, 242694, 295236, 485388, 795497, 1590994, 2386491, 3181988, 4772982, 7159473, 9545964, 14318946, 28637892]

約数ペア:

[(1, 28637892), (2, 14318946), (3, 9545964), (4, 7159473), (6, 4772982), (9, 3181988), (12, 2386491), (18, 1590994), (36, 795497), (59, 485388), (97, 295236), (118, 242694), (139, 206028), (177, 161796), (194, 147618), (236, 121347), (278, 103014), (291, 98412), (354, 80898), (388, 73809), (417, 68676), (531, 53932), (556, 51507), (582, 49206), (708, 40449), (834, 34338), (873, 32804), (1062, 26966), (1164, 24603), (1251, 22892), (1668, 17169), (1746, 16402), (2124, 13483), (2502, 11446), (3492, 8201), (5004, 5723)]