81979129984

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{1327}}^1\times {\mathrm{15569}}^1$

素因数の和:16941

約数の個数: 64

約数和(自身を含む): 168723993600

約数和(自身を除く): 86744863616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1327, 1984, 2654, 3968, 5308, 10616, 15569, 21232, 31138, 41137, 42464, 62276, 82274, 84928, 124552, 164548, 169856, 249104, 329096, 482639, 498208, 658192, 965278, 996416, 1316384, 1930556, 1992832, 2632768, 3861112, 5265536, 7722224, 15444448, 20660063, 30888896, 41320126, 61777792, 82640252, 165280504, 330561008, 640461953, 661122016, 1280923906, 1322244032, 2561847812, 2644488064, 5123695624, 10247391248, 20494782496, 40989564992, 81979129984]

約数ペア:

[(1, 81979129984), (2, 40989564992), (4, 20494782496), (8, 10247391248), (16, 5123695624), (31, 2644488064), (32, 2561847812), (62, 1322244032), (64, 1280923906), (124, 661122016), (128, 640461953), (248, 330561008), (496, 165280504), (992, 82640252), (1327, 61777792), (1984, 41320126), (2654, 30888896), (3968, 20660063), (5308, 15444448), (10616, 7722224), (15569, 5265536), (21232, 3861112), (31138, 2632768), (41137, 1992832), (42464, 1930556), (62276, 1316384), (82274, 996416), (84928, 965278), (124552, 658192), (164548, 498208), (169856, 482639), (249104, 329096)]