28237734

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 80

約数和(自身を含む): 74377248

約数和(自身を除く): 46139514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 518, 567, 666, 673, 777, 999, 1134, 1346, 1554, 1998, 2019, 2331, 2997, 4038, 4662, 4711, 5994, 6057, 6993, 9422, 12114, 13986, 14133, 18171, 20979, 24901, 28266, 36342, 41958, 42399, 49802, 54513, 74703, 84798, 109026, 127197, 149406, 174307, 224109, 254394, 348614, 381591, 448218, 522921, 672327, 763182, 1045842, 1344654, 1568763, 2016981, 3137526, 4033962, 4706289, 9412578, 14118867, 28237734]

約数ペア:

[(1, 28237734), (2, 14118867), (3, 9412578), (6, 4706289), (7, 4033962), (9, 3137526), (14, 2016981), (18, 1568763), (21, 1344654), (27, 1045842), (37, 763182), (42, 672327), (54, 522921), (63, 448218), (74, 381591), (81, 348614), (111, 254394), (126, 224109), (162, 174307), (189, 149406), (222, 127197), (259, 109026), (333, 84798), (378, 74703), (518, 54513), (567, 49802), (666, 42399), (673, 41958), (777, 36342), (999, 28266), (1134, 24901), (1346, 20979), (1554, 18171), (1998, 14133), (2019, 13986), (2331, 12114), (2997, 9422), (4038, 6993), (4662, 6057), (4711, 5994)]