311945868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1787}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 851939088

約数和(自身を除く): 539993220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 373, 468, 746, 1119, 1492, 1787, 2238, 3357, 3574, 4476, 4849, 5361, 6714, 7148, 9698, 10722, 13428, 14547, 16083, 19396, 21444, 23231, 29094, 32166, 43641, 46462, 58188, 64332, 69693, 87282, 92924, 139386, 174564, 209079, 278772, 418158, 666551, 836316, 1333102, 1999653, 2666204, 3999306, 5998959, 7998612, 8665163, 11997918, 17330326, 23995836, 25995489, 34660652, 51990978, 77986467, 103981956, 155972934, 311945868]

約数ペア:

[(1, 311945868), (2, 155972934), (3, 103981956), (4, 77986467), (6, 51990978), (9, 34660652), (12, 25995489), (13, 23995836), (18, 17330326), (26, 11997918), (36, 8665163), (39, 7998612), (52, 5998959), (78, 3999306), (117, 2666204), (156, 1999653), (234, 1333102), (373, 836316), (468, 666551), (746, 418158), (1119, 278772), (1492, 209079), (1787, 174564), (2238, 139386), (3357, 92924), (3574, 87282), (4476, 69693), (4849, 64332), (5361, 58188), (6714, 46462), (7148, 43641), (9698, 32166), (10722, 29094), (13428, 23231), (14547, 21444), (16083, 19396)]