81403728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242273}}^1$

素因数の和:242291

約数の個数: 40

約数和(自身を含む): 240335808

約数和(自身を除く): 158932080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242273, 484546, 726819, 969092, 1453638, 1695911, 1938184, 2907276, 3391822, 3876368, 5087733, 5814552, 6783644, 10175466, 11629104, 13567288, 20350932, 27134576, 40701864, 81403728]

約数ペア:

[(1, 81403728), (2, 40701864), (3, 27134576), (4, 20350932), (6, 13567288), (7, 11629104), (8, 10175466), (12, 6783644), (14, 5814552), (16, 5087733), (21, 3876368), (24, 3391822), (28, 2907276), (42, 1938184), (48, 1695911), (56, 1453638), (84, 969092), (112, 726819), (168, 484546), (336, 242273)]