81138036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31204

約数の個数: 48

約数和(自身を含む): 223354880

約数和(自身を除く): 142216844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 31159, 62318, 93477, 124636, 186954, 218113, 373908, 436226, 654339, 872452, 965929, 1308678, 1931858, 2617356, 2897787, 3863716, 5795574, 6761503, 11591148, 13523006, 20284509, 27046012, 40569018, 81138036]

約数ペア:

[(1, 81138036), (2, 40569018), (3, 27046012), (4, 20284509), (6, 13523006), (7, 11591148), (12, 6761503), (14, 5795574), (21, 3863716), (28, 2897787), (31, 2617356), (42, 1931858), (62, 1308678), (84, 965929), (93, 872452), (124, 654339), (186, 436226), (217, 373908), (372, 218113), (434, 186954), (651, 124636), (868, 93477), (1302, 62318), (2604, 31159)]