81452591.000000000

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2273}}^1$

素因数の和:3108

約数の個数: 48

約数和(自身を含む): 418707072

約数和(自身を除く): 261951900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 821, 1642, 2273, 2463, 3284, 4546, 4926, 5747, 6819, 9092, 9852, 11494, 13638, 15911, 17241, 22988, 27276, 31822, 34482, 47733, 63644, 68964, 95466, 190932, 1866133, 3732266, 5598399, 7464532, 11196798, 13062931, 22393596, 26125862, 39188793, 52251724, 78377586, 156755172]

約数ペア:

[(1, 156755172), (2, 78377586), (3, 52251724), (4, 39188793), (6, 26125862), (7, 22393596), (12, 13062931), (14, 11196798), (21, 7464532), (28, 5598399), (42, 3732266), (84, 1866133), (821, 190932), (1642, 95466), (2273, 68964), (2463, 63644), (3284, 47733), (4546, 34482), (4926, 31822), (5747, 27276), (6819, 22988), (9092, 17241), (9852, 15911), (11494, 13638)]