81141844

素因数分解:

$2^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2393}}^1$

素因数の和:2584

約数の個数: 36

約数和(自身を含む): 166205844

約数和(自身を除く): 85064000

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 173, 196, 346, 692, 1211, 2393, 2422, 4786, 4844, 8477, 9572, 16751, 16954, 33502, 33908, 67004, 117257, 234514, 413989, 469028, 827978, 1655956, 2897923, 5795846, 11591692, 20285461, 40570922, 81141844]

約数ペア:

[(1, 81141844), (2, 40570922), (4, 20285461), (7, 11591692), (14, 5795846), (28, 2897923), (49, 1655956), (98, 827978), (173, 469028), (196, 413989), (346, 234514), (692, 117257), (1211, 67004), (2393, 33908), (2422, 33502), (4786, 16954), (4844, 16751), (8477, 9572)]