861897808

素因数分解:

$2^4\times {\mathrm{1889}}^1\times {\mathrm{28517}}^1$

素因数の和:30414

約数の個数: 20

約数和(自身を含む): 1670869620

約数和(自身を除く): 808971812

約数列:

[1, 2, 4, 8, 16, 1889, 3778, 7556, 15112, 28517, 30224, 57034, 114068, 228136, 456272, 53868613, 107737226, 215474452, 430948904, 861897808]

約数ペア:

[(1, 861897808), (2, 430948904), (4, 215474452), (8, 107737226), (16, 53868613), (1889, 456272), (3778, 228136), (7556, 114068), (15112, 57034), (28517, 30224)]