28885428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 89037312

約数和(自身を除く): 60151884

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 39, 44, 52, 62, 66, 78, 93, 99, 117, 124, 132, 143, 156, 181, 186, 198, 234, 279, 286, 341, 362, 372, 396, 403, 429, 468, 543, 558, 572, 682, 724, 806, 858, 1023, 1086, 1116, 1209, 1287, 1364, 1612, 1629, 1716, 1991, 2046, 2172, 2353, 2418, 2574, 3069, 3258, 3627, 3982, 4092, 4433, 4706, 4836, 5148, 5611, 5973, 6138, 6516, 7059, 7254, 7964, 8866, 9412, 11222, 11946, 12276, 13299, 14118, 14508, 16833, 17732, 17919, 21177, 22444, 23892, 25883, 26598, 28236, 33666, 35838, 39897, 42354, 50499, 51766, 53196, 61721, 67332, 71676, 72943, 77649, 79794, 84708, 100998, 103532, 123442, 145886, 155298, 159588, 185163, 201996, 218829, 232947, 246884, 291772, 310596, 370326, 437658, 465894, 555489, 656487, 740652, 802373, 875316, 931788, 1110978, 1312974, 1604746, 2221956, 2407119, 2625948, 3209492, 4814238, 7221357, 9628476, 14442714, 28885428]

約数ペア:

[(1, 28885428), (2, 14442714), (3, 9628476), (4, 7221357), (6, 4814238), (9, 3209492), (11, 2625948), (12, 2407119), (13, 2221956), (18, 1604746), (22, 1312974), (26, 1110978), (31, 931788), (33, 875316), (36, 802373), (39, 740652), (44, 656487), (52, 555489), (62, 465894), (66, 437658), (78, 370326), (93, 310596), (99, 291772), (117, 246884), (124, 232947), (132, 218829), (143, 201996), (156, 185163), (181, 159588), (186, 155298), (198, 145886), (234, 123442), (279, 103532), (286, 100998), (341, 84708), (362, 79794), (372, 77649), (396, 72943), (403, 71676), (429, 67332), (468, 61721), (543, 53196), (558, 51766), (572, 50499), (682, 42354), (724, 39897), (806, 35838), (858, 33666), (1023, 28236), (1086, 26598), (1116, 25883), (1209, 23892), (1287, 22444), (1364, 21177), (1612, 17919), (1629, 17732), (1716, 16833), (1991, 14508), (2046, 14118), (2172, 13299), (2353, 12276), (2418, 11946), (2574, 11222), (3069, 9412), (3258, 8866), (3627, 7964), (3982, 7254), (4092, 7059), (4433, 6516), (4706, 6138), (4836, 5973), (5148, 5611)]