28187676

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 90

約数和(自身を含む): 81108720

約数和(自身を除く): 52921044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 484, 594, 719, 726, 891, 1089, 1188, 1438, 1452, 1782, 2157, 2178, 2876, 3267, 3564, 4314, 4356, 6471, 6534, 7909, 8628, 9801, 12942, 13068, 15818, 19413, 19602, 23727, 25884, 31636, 38826, 39204, 47454, 58239, 71181, 77652, 86999, 94908, 116478, 142362, 173998, 213543, 232956, 260997, 284724, 347996, 427086, 521994, 640629, 782991, 854172, 1043988, 1281258, 1565982, 2348973, 2562516, 3131964, 4697946, 7046919, 9395892, 14093838, 28187676]

約数ペア:

[(1, 28187676), (2, 14093838), (3, 9395892), (4, 7046919), (6, 4697946), (9, 3131964), (11, 2562516), (12, 2348973), (18, 1565982), (22, 1281258), (27, 1043988), (33, 854172), (36, 782991), (44, 640629), (54, 521994), (66, 427086), (81, 347996), (99, 284724), (108, 260997), (121, 232956), (132, 213543), (162, 173998), (198, 142362), (242, 116478), (297, 94908), (324, 86999), (363, 77652), (396, 71181), (484, 58239), (594, 47454), (719, 39204), (726, 38826), (891, 31636), (1089, 25884), (1188, 23727), (1438, 19602), (1452, 19413), (1782, 15818), (2157, 13068), (2178, 12942), (2876, 9801), (3267, 8628), (3564, 7909), (4314, 6534), (4356, 6471)]