81339648

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8179

約数の個数: 72

約数和(自身を含む): 233163168

約数和(自身を除く): 151823520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 8147, 9984, 16294, 24441, 32588, 48882, 65176, 97764, 105911, 130352, 195528, 211822, 260704, 317733, 391056, 423644, 521408, 635466, 782112, 847288, 1042816, 1270932, 1564224, 1694576, 2085632, 2541864, 3128448, 3389152, 5083728, 6256896, 6778304, 10167456, 13556608, 20334912, 27113216, 40669824, 81339648]

約数ペア:

[(1, 81339648), (2, 40669824), (3, 27113216), (4, 20334912), (6, 13556608), (8, 10167456), (12, 6778304), (13, 6256896), (16, 5083728), (24, 3389152), (26, 3128448), (32, 2541864), (39, 2085632), (48, 1694576), (52, 1564224), (64, 1270932), (78, 1042816), (96, 847288), (104, 782112), (128, 635466), (156, 521408), (192, 423644), (208, 391056), (256, 317733), (312, 260704), (384, 211822), (416, 195528), (624, 130352), (768, 105911), (832, 97764), (1248, 65176), (1664, 48882), (2496, 32588), (3328, 24441), (4992, 16294), (8147, 9984)]