81870012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17099}}^1$

素因数の和:17135

約数の個数: 72

約数和(自身を含む): 248976000

約数和(自身を除く): 167105988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 17099, 34198, 51297, 68396, 102594, 119693, 153891, 205188, 239386, 307782, 324881, 359079, 478772, 615564, 649762, 718158, 974643, 1077237, 1299524, 1436316, 1949286, 2154474, 2274167, 2923929, 3898572, 4308948, 4548334, 5847858, 6822501, 9096668, 11695716, 13645002, 20467503, 27290004, 40935006, 81870012]

約数ペア:

[(1, 81870012), (2, 40935006), (3, 27290004), (4, 20467503), (6, 13645002), (7, 11695716), (9, 9096668), (12, 6822501), (14, 5847858), (18, 4548334), (19, 4308948), (21, 3898572), (28, 2923929), (36, 2274167), (38, 2154474), (42, 1949286), (57, 1436316), (63, 1299524), (76, 1077237), (84, 974643), (114, 718158), (126, 649762), (133, 615564), (171, 478772), (228, 359079), (252, 324881), (266, 307782), (342, 239386), (399, 205188), (532, 153891), (684, 119693), (798, 102594), (1197, 68396), (1596, 51297), (2394, 34198), (4788, 17099)]