28705932

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 77846496

約数和(自身を除く): 49140564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 828, 851, 937, 1332, 1702, 1874, 2553, 2811, 3404, 3748, 5106, 5622, 7659, 8433, 10212, 11244, 15318, 16866, 21551, 30636, 33732, 34669, 43102, 64653, 69338, 86204, 104007, 129306, 138676, 193959, 208014, 258612, 312021, 387918, 416028, 624042, 775836, 797387, 1248084, 1594774, 2392161, 3189548, 4784322, 7176483, 9568644, 14352966, 28705932]

約数ペア:

[(1, 28705932), (2, 14352966), (3, 9568644), (4, 7176483), (6, 4784322), (9, 3189548), (12, 2392161), (18, 1594774), (23, 1248084), (36, 797387), (37, 775836), (46, 624042), (69, 416028), (74, 387918), (92, 312021), (111, 258612), (138, 208014), (148, 193959), (207, 138676), (222, 129306), (276, 104007), (333, 86204), (414, 69338), (444, 64653), (666, 43102), (828, 34669), (851, 33732), (937, 30636), (1332, 21551), (1702, 16866), (1874, 15318), (2553, 11244), (2811, 10212), (3404, 8433), (3748, 7659), (5106, 5622)]