28027314

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 72

約数和(自身を含む): 72380880

約数和(自身を除く): 44353566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 739, 774, 882, 903, 1478, 1806, 2107, 2217, 2709, 4214, 4434, 5173, 5418, 6321, 6651, 10346, 12642, 13302, 15519, 18963, 31038, 31777, 36211, 37926, 46557, 63554, 72422, 93114, 95331, 108633, 190662, 217266, 222439, 285993, 325899, 444878, 571986, 651798, 667317, 1334634, 1557073, 2001951, 3114146, 4003902, 4671219, 9342438, 14013657, 28027314]

約数ペア:

[(1, 28027314), (2, 14013657), (3, 9342438), (6, 4671219), (7, 4003902), (9, 3114146), (14, 2001951), (18, 1557073), (21, 1334634), (42, 667317), (43, 651798), (49, 571986), (63, 444878), (86, 325899), (98, 285993), (126, 222439), (129, 217266), (147, 190662), (258, 108633), (294, 95331), (301, 93114), (387, 72422), (441, 63554), (602, 46557), (739, 37926), (774, 36211), (882, 31777), (903, 31038), (1478, 18963), (1806, 15519), (2107, 13302), (2217, 12642), (2709, 10346), (4214, 6651), (4434, 6321), (5173, 5418)]