161386904

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32381}}^1$

素因数の和:32483

約数の個数: 32

約数和(自身を含む): 349725600

約数和(自身を除く): 188338696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 32381, 64762, 129524, 226667, 259048, 453334, 906668, 1813336, 2881909, 5763818, 11527636, 20173363, 23055272, 40346726, 80693452, 161386904]

約数ペア:

[(1, 161386904), (2, 80693452), (4, 40346726), (7, 23055272), (8, 20173363), (14, 11527636), (28, 5763818), (56, 2881909), (89, 1813336), (178, 906668), (356, 453334), (623, 259048), (712, 226667), (1246, 129524), (2492, 64762), (4984, 32381)]