81319045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 105984000

約数和(自身を除く): 24664955

約数列:

[1, 5, 29, 31, 79, 145, 155, 229, 395, 899, 1145, 2291, 2449, 4495, 6641, 7099, 11455, 12245, 18091, 33205, 35495, 71021, 90455, 205871, 355105, 524639, 560821, 1029355, 2623195, 2804105, 16263809, 81319045]

約数ペア:

[(1, 81319045), (5, 16263809), (29, 2804105), (31, 2623195), (79, 1029355), (145, 560821), (155, 524639), (229, 355105), (395, 205871), (899, 90455), (1145, 71021), (2291, 35495), (2449, 33205), (4495, 18091), (6641, 12245), (7099, 11455)]