128857612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{5519}}^1$

素因数の和:5985

約数の個数: 24

約数和(自身を含む): 243432000

約数和(自身を除く): 114574388

約数列:

[1, 2, 4, 13, 26, 52, 449, 898, 1796, 5519, 5837, 11038, 11674, 22076, 23348, 71747, 143494, 286988, 2478031, 4956062, 9912124, 32214403, 64428806, 128857612]

約数ペア:

[(1, 128857612), (2, 64428806), (4, 32214403), (13, 9912124), (26, 4956062), (52, 2478031), (449, 286988), (898, 143494), (1796, 71747), (5519, 23348), (5837, 22076), (11038, 11674)]