28539468

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 75479040

約数和(自身を除く): 46939572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 239, 279, 321, 372, 428, 478, 558, 642, 717, 956, 963, 1116, 1284, 1434, 1926, 2151, 2868, 3317, 3852, 4302, 6634, 7409, 8604, 9951, 13268, 14818, 19902, 22227, 25573, 29636, 29853, 39804, 44454, 51146, 59706, 66681, 76719, 88908, 102292, 119412, 133362, 153438, 230157, 266724, 306876, 460314, 792763, 920628, 1585526, 2378289, 3171052, 4756578, 7134867, 9513156, 14269734, 28539468]

約数ペア:

[(1, 28539468), (2, 14269734), (3, 9513156), (4, 7134867), (6, 4756578), (9, 3171052), (12, 2378289), (18, 1585526), (31, 920628), (36, 792763), (62, 460314), (93, 306876), (107, 266724), (124, 230157), (186, 153438), (214, 133362), (239, 119412), (279, 102292), (321, 88908), (372, 76719), (428, 66681), (478, 59706), (558, 51146), (642, 44454), (717, 39804), (956, 29853), (963, 29636), (1116, 25573), (1284, 22227), (1434, 19902), (1926, 14818), (2151, 13268), (2868, 9951), (3317, 8604), (3852, 7409), (4302, 6634)]