81789312.000000000

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{54049}}^1$

素因数の和:54120

約数の個数: 48

約数和(自身を含む): 632385000

約数和(自身を除く): 402784848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 54049, 108098, 162147, 216196, 324294, 432392, 486441, 648588, 972882, 1297176, 1945764, 3188891, 3891528, 6377782, 9566673, 12755564, 19133346, 25511128, 28700019, 38266692, 57400038, 76533384, 114800076, 229600152]

約数ペア:

[(1, 229600152), (2, 114800076), (3, 76533384), (4, 57400038), (6, 38266692), (8, 28700019), (9, 25511128), (12, 19133346), (18, 12755564), (24, 9566673), (36, 6377782), (59, 3891528), (72, 3188891), (118, 1945764), (177, 1297176), (236, 972882), (354, 648588), (472, 486441), (531, 432392), (708, 324294), (1062, 216196), (1416, 162147), (2124, 108098), (4248, 54049)]