215684618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 352123200

約数和(自身を除く): 136438582

約数列:

[1, 2, 19, 37, 38, 74, 179, 358, 703, 857, 1406, 1714, 3401, 6623, 6802, 13246, 16283, 31709, 32566, 63418, 125837, 153403, 251674, 306806, 602471, 1204942, 2914657, 5675911, 5829314, 11351822, 107842309, 215684618]

約数ペア:

[(1, 215684618), (2, 107842309), (19, 11351822), (37, 5829314), (38, 5675911), (74, 2914657), (179, 1204942), (358, 602471), (703, 306806), (857, 251674), (1406, 153403), (1714, 125837), (3401, 63418), (6623, 32566), (6802, 31709), (13246, 16283)]