28920018978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{1549}}^1$

素因数の和:2197

約数の個数: 128

約数和(自身を含む): 69995520000

約数和(自身を除く): 41075501022

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 513, 558, 587, 589, 837, 1026, 1174, 1178, 1549, 1674, 1761, 1767, 3098, 3522, 3534, 4647, 5283, 5301, 9294, 10566, 10602, 11153, 13941, 15849, 15903, 18197, 22306, 27882, 29431, 31698, 31806, 33459, 36394, 41823, 48019, 54591, 58862, 66918, 83646, 88293, 96038, 100377, 109182, 144057, 163773, 176586, 200754, 264879, 288114, 301131, 327546, 345743, 432171, 491319, 529758, 602262, 691486, 794637, 864342, 909263, 912361, 982638, 1037229, 1296513, 1589274, 1818526, 1824722, 2074458, 2593026, 2727789, 2737083, 3111687, 5455578, 5474166, 6223374, 8183367, 8211249, 9335061, 16366734, 16422498, 17275997, 18670122, 24550101, 24633747, 28187153, 34551994, 49100202, 49267494, 51827991, 56374306, 84561459, 103655982, 155483973, 169122918, 253684377, 310967946, 466451919, 507368754, 535555907, 761053131, 932903838, 1071111814, 1522106262, 1606667721, 3213335442, 4820003163, 9640006326, 14460009489, 28920018978]

約数ペア:

[(1, 28920018978), (2, 14460009489), (3, 9640006326), (6, 4820003163), (9, 3213335442), (18, 1606667721), (19, 1522106262), (27, 1071111814), (31, 932903838), (38, 761053131), (54, 535555907), (57, 507368754), (62, 466451919), (93, 310967946), (114, 253684377), (171, 169122918), (186, 155483973), (279, 103655982), (342, 84561459), (513, 56374306), (558, 51827991), (587, 49267494), (589, 49100202), (837, 34551994), (1026, 28187153), (1174, 24633747), (1178, 24550101), (1549, 18670122), (1674, 17275997), (1761, 16422498), (1767, 16366734), (3098, 9335061), (3522, 8211249), (3534, 8183367), (4647, 6223374), (5283, 5474166), (5301, 5455578), (9294, 3111687), (10566, 2737083), (10602, 2727789), (11153, 2593026), (13941, 2074458), (15849, 1824722), (15903, 1818526), (18197, 1589274), (22306, 1296513), (27882, 1037229), (29431, 982638), (31698, 912361), (31806, 909263), (33459, 864342), (36394, 794637), (41823, 691486), (48019, 602262), (54591, 529758), (58862, 491319), (66918, 432171), (83646, 345743), (88293, 327546), (96038, 301131), (100377, 288114), (109182, 264879), (144057, 200754), (163773, 176586)]