31117808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{31883}}^1$

素因数の和:31952

約数の個数: 20

約数和(自身を含む): 61281048

約数和(自身を除く): 30163240

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 31883, 63766, 127532, 255064, 510128, 1944863, 3889726, 7779452, 15558904, 31117808]

約数ペア:

[(1, 31117808), (2, 15558904), (4, 7779452), (8, 3889726), (16, 1944863), (61, 510128), (122, 255064), (244, 127532), (488, 63766), (976, 31883)]