7828236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 21861840

約数和(自身を除く): 14033604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 389, 468, 516, 559, 774, 778, 1118, 1167, 1548, 1556, 1677, 2236, 2334, 3354, 3501, 4668, 5031, 5057, 6708, 7002, 10062, 10114, 14004, 15171, 16727, 20124, 20228, 30342, 33454, 45513, 50181, 60684, 66908, 91026, 100362, 150543, 182052, 200724, 217451, 301086, 434902, 602172, 652353, 869804, 1304706, 1957059, 2609412, 3914118, 7828236]

約数ペア:

[(1, 7828236), (2, 3914118), (3, 2609412), (4, 1957059), (6, 1304706), (9, 869804), (12, 652353), (13, 602172), (18, 434902), (26, 301086), (36, 217451), (39, 200724), (43, 182052), (52, 150543), (78, 100362), (86, 91026), (117, 66908), (129, 60684), (156, 50181), (172, 45513), (234, 33454), (258, 30342), (387, 20228), (389, 20124), (468, 16727), (516, 15171), (559, 14004), (774, 10114), (778, 10062), (1118, 7002), (1167, 6708), (1548, 5057), (1556, 5031), (1677, 4668), (2236, 3501), (2334, 3354)]